l3backend (2jul19)

git-svn-id: svn://tug.org/texlive/trunk@51533 c570f23f-e606-0410-a88d-b1316a301751

5 files changed, 3795 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def
new file mode 100644
index 00000000000..3614e4f9437
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def
@@ -0,0 +1,648 @@
+%%
+%% This is file `l3backend-dvipdfmx.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% l3backend-basics.dtx  (with options: `package,dvipdfmx')
+%% l3backend-color.dtx  (with options: `package,dvipdfmx')
+%% l3backend-box.dtx  (with options: `package,dvipdfmx')
+%% l3backend-draw.dtx  (with options: `package,dvipdfmx')
+%% l3backend-graphics.dtx  (with options: `package,dvipdfmx')
+%% l3backend-pdf.dtx  (with options: `package,dvipdfmx')
+%% 
+%% Copyright (C) 1990-2019 The LaTeX3 Project
+%% 
+%% It may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License (LPPL), either version 1.3c of
+%% this license or (at your option) any later version.  The latest
+%% version of this license is in the file:
+%% 
+%%    https://www.latex-project.org/lppl.txt
+%% 
+%% This file is part of the "l3backend bundle" (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%% 
+%% File: l3backend-basics.dtx
+\ProvidesExplFile
+  {l3backend-dvipdfmx.def}{2019-04-06}{}
+  {L3 Experimental backend support: dvipdfmx}
+\cs_new_eq:NN \__kernel_backend_literal:e \tex_special:D
+\cs_new_protected:Npn \__kernel_backend_literal:n #1
+  { \__kernel_backend_literal:e { \exp_not:n {#1} } }
+\cs_generate_variant:Nn \__kernel_backend_literal:n { x }
+\cs_new_protected:Npn \__kernel_backend_literal_pdf:n #1
+  { \__kernel_backend_literal:n { pdf:literal~ #1 } }
+\cs_generate_variant:Nn \__kernel_backend_literal_pdf:n { x }
+\cs_new_protected:Npn \__kernel_backend_literal_page:n #1
+  { \__kernel_backend_literal:n { pdf:literal~direct~ #1 } }
+\cs_new_protected:Npn \__kernel_backend_scope_begin:
+  { \__kernel_backend_literal:n { x:gsave } }
+\cs_new_protected:Npn \__kernel_backend_scope_end:
+  { \__kernel_backend_literal:n { x:grestore } }
+%% File: l3backend-color.dtx
+\cs_new_protected:Npn \__color_backend_pickup:N #1 { }
+\AtBeginDocument
+  {
+    \@ifpackageloaded { color }
+      {
+        \cs_set_protected:Npn \__color_backend_pickup:N #1
+          {
+            \exp_args:NV \tl_if_head_is_space:nTF \current@color
+              {
+                \tl_set:Nx #1
+                   {
+                     spot ~
+                     \exp_after:wN \use:n \current@color \c_space_tl 1
+                   }
+              }
+              {
+                \exp_last_unbraced:Nx \__color_backend_pickup:w
+                  { \current@color } \q_stop #1
+              }
+          }
+        \cs_new_protected:Npn \__color_backend_pickup:w #1 ~ #2 \q_stop #3
+          { \tl_set:Nn #3 { #1 ~ #2 } }
+      }
+      { }
+  }
+\cs_new_protected:Npn \__color_backend_cmyk:nnnn #1#2#3#4
+  {
+    \__color_backend_select:x
+      {
+        cmyk~
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4}
+      }
+  }
+\cs_new_protected:Npn \__color_backend_gray:n #1
+  { \__color_backend_select:x { gray~ \fp_eval:n {#1} } }
+\cs_new_protected:Npn \__color_backend_rgb:nnn #1#2#3
+  {
+    \__color_backend_select:x
+      { rgb~ \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} }
+  }
+\cs_new_protected:Npn \__color_backend_spot:nn #1#2
+  { \__color_backend_select:n { #1 } }
+\cs_new_protected:Npn \__color_backend_select:n #1
+  {
+    \__kernel_backend_literal:n { color~push~ #1 }
+    \group_insert_after:N \__color_backend_reset:
+  }
+\cs_generate_variant:Nn \__color_backend_select:n { x }
+\cs_new_protected:Npn \__color_backend_reset:
+  { \__kernel_backend_literal:n { color~pop } }
+%% File: l3backend-box.dtx
+\cs_new_protected:Npn \__box_backend_clip:N #1
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_literal_pdf:x
+      {
+        0~
+        \dim_to_decimal_in_bp:n { -\box_dp:N #1 } ~
+        \dim_to_decimal_in_bp:n { \box_wd:N #1 } ~
+        \dim_to_decimal_in_bp:n { \box_ht:N #1 + \box_dp:N #1 } ~
+        re~W~n
+      }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+    \skip_horizontal:n { \box_wd:N #1 }
+  }
+\cs_new_protected:Npn \__box_backend_rotate:Nn #1#2
+  { \exp_args:NNf \__box_backend_rotate_aux:Nn #1 { \fp_eval:n {#2} } }
+\cs_new_protected:Npn \__box_backend_rotate_aux:Nn #1#2
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_literal:x
+      {
+        x:rotate~
+        \fp_compare:nNnTF {#2} = \c_zero_fp
+          { 0 }
+          { \fp_eval:n { round ( #2 , 5 ) } }
+      }
+    \box_use:N #1
+    \__kernel_backend_scope_end:
+  }
+\cs_new_protected:Npn \__box_backend_scale:Nnn #1#2#3
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_literal:x
+      {
+        x:scale~
+        \fp_eval:n { round ( #2 , 5 ) } ~
+        \fp_eval:n { round ( #3 , 5 ) }
+      }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+  }
+%% File: l3backend-draw.dtx
+\cs_new_eq:NN \__draw_backend_literal:n \__kernel_backend_literal_pdf:n
+\cs_generate_variant:Nn \__draw_backend_literal:n { x }
+\cs_new_protected:Npn \__draw_backend_begin:
+  { \__draw_backend_scope_begin: }
+\cs_new_protected:Npn \__draw_backend_end:
+  { \__draw_backend_scope_end: }
+\cs_new_eq:NN \__draw_backend_scope_begin: \__kernel_backend_scope_begin:
+\cs_new_eq:NN \__draw_backend_scope_end: \__kernel_backend_scope_end:
+\cs_new_protected:Npn \__draw_backend_moveto:nn #1#2
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~ m }
+  }
+\cs_new_protected:Npn \__draw_backend_lineto:nn #1#2
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~ l }
+  }
+\cs_new_protected:Npn \__draw_backend_curveto:nnnnnn #1#2#3#4#5#6
+  {
+    \__draw_backend_literal:x
+      {
+        \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
+        \dim_to_decimal_in_bp:n {#3} ~ \dim_to_decimal_in_bp:n {#4} ~
+        \dim_to_decimal_in_bp:n {#5} ~ \dim_to_decimal_in_bp:n {#6} ~
+        c
+      }
+ }
+\cs_new_protected:Npn \__draw_backend_rectangle:nnnn #1#2#3#4
+  {
+     \__draw_backend_literal:x
+      {
+        \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
+        \dim_to_decimal_in_bp:n {#3} ~ \dim_to_decimal_in_bp:n {#4} ~
+        re
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_evenodd_rule:
+  { \bool_gset_true:N \g__draw_draw_eor_bool }
+\cs_new_protected:Npn \__draw_backend_nonzero_rule:
+  { \bool_gset_false:N \g__draw_draw_eor_bool }
+\bool_new:N \g__draw_draw_eor_bool
+\cs_new_protected:Npn \__draw_backend_closepath:
+  { \__draw_backend_literal:n { h } }
+\cs_new_protected:Npn \__draw_backend_stroke:
+  { \__draw_backend_literal:n { S } }
+\cs_new_protected:Npn \__draw_backend_closestroke:
+  { \__draw_backend_literal:n { s } }
+\cs_new_protected:Npn \__draw_backend_fill:
+  {
+    \__draw_backend_literal:x
+      { f \bool_if:NT \g__draw_draw_eor_bool * }
+  }
+\cs_new_protected:Npn \__draw_backend_fillstroke:
+  {
+    \__draw_backend_literal:x
+      { B \bool_if:NT \g__draw_draw_eor_bool * }
+  }
+\cs_new_protected:Npn \__draw_backend_clip:
+  {
+    \__draw_backend_literal:x
+      { W \bool_if:NT \g__draw_draw_eor_bool * }
+  }
+\cs_new_protected:Npn \__draw_backend_discardpath:
+  { \__draw_backend_literal:n { n } }
+\cs_new_protected:Npn \__draw_backend_dash_pattern:nn #1#2
+  {
+    \__draw_backend_literal:x
+      {
+        [
+          \exp_args:Nf \use:n
+            { \clist_map_function:nN {#1} \__draw_backend_dash:n }
+        ] ~
+        \dim_to_decimal_in_bp:n {#2} ~ d
+      }
+  }
+\cs_new:Npn \__draw_backend_dash:n #1
+  { ~ \dim_to_decimal_in_bp:n {#1} }
+\cs_new_protected:Npn \__draw_backend_linewidth:n #1
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ w }
+  }
+\cs_new_protected:Npn \__draw_backend_miterlimit:n #1
+  { \__draw_backend_literal:x { \fp_eval:n {#1} ~ M } }
+\cs_new_protected:Npn \__draw_backend_cap_butt:
+  { \__draw_backend_literal:n { 0 ~ J } }
+\cs_new_protected:Npn \__draw_backend_cap_round:
+  { \__draw_backend_literal:n { 1 ~ J } }
+\cs_new_protected:Npn \__draw_backend_cap_rectangle:
+  { \__draw_backend_literal:n { 2 ~ J } }
+\cs_new_protected:Npn \__draw_backend_join_miter:
+  { \__draw_backend_literal:n { 0 ~ j } }
+\cs_new_protected:Npn \__draw_backend_join_round:
+  { \__draw_backend_literal:n { 1 ~ j } }
+\cs_new_protected:Npn \__draw_backend_join_bevel:
+  { \__draw_backend_literal:n { 2 ~ j } }
+\cs_new_protected:Npn \__draw_backend_color_fill_cmyk:nnnn #1#2#3#4
+  {
+    \__draw_backend_color_select:x
+      {
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
+        k
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_cmyk:nnnn #1#2#3#4
+  {
+    \__draw_backend_color_select:x
+      {
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
+        k
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_fill_gray:n #1
+  { \__draw_backend_color_select:x { \fp_eval:n {#1} ~ g } }
+\cs_new_protected:Npn \__draw_backend_color_stroke_gray:n #1
+  { \__draw_backend_color_select:x { \fp_eval:n {#1} ~ G } }
+\cs_new_protected:Npn \__draw_backend_color_fill_rgb:nnn #1#2#3
+  {
+    \__draw_backend_color_select:x
+      { \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} ~ rg }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_rgb:nnn #1#2#3
+  {
+    \__draw_backend_color_select:x
+      { \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} ~ RG }
+  }
+\cs_new_eq:NN \__draw_backend_color_select:n \__kernel_backend_literal_pdf:n
+\cs_generate_variant:Nn \__draw_backend_color_select:n { x }
+\cs_new_protected:Npn \__draw_backend_cm:nnnn #1#2#3#4
+  {
+    \__draw_backend_cm_decompose:nnnnN {#1} {#2} {#3} {#4}
+      \__draw_backend_cm_aux:nnnn
+  }
+\cs_new_protected:Npn \__draw_backend_cm_aux:nnnn #1#2#3#4
+  {
+    \__kernel_backend_literal:x
+      {
+        x:rotate~
+        \fp_compare:nNnTF {#1} = \c_zero_fp
+          { 0 }
+          { \fp_eval:n { round ( -#1 , 5 ) } }
+      }
+    \__kernel_backend_literal:x
+      {
+        x:scale~
+        \fp_eval:n { round ( #2 , 5 ) } ~
+        \fp_eval:n { round ( #3 , 5 ) }
+      }
+    \__kernel_backend_literal:x
+      {
+        x:rotate~
+        \fp_compare:nNnTF {#4} = \c_zero_fp
+          { 0 }
+          { \fp_eval:n { round ( -#4 , 5 ) } }
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_cm_decompose:nnnnN #1#2#3#4#5
+  {
+    \use:x
+      {
+        \__draw_backend_cm_decompose_auxi:nnnnN
+          { \fp_eval:n { (#1 + #4) / 2 } }
+          { \fp_eval:n { (#1 - #4) / 2 } }
+          { \fp_eval:n { (#3 + #2) / 2 } }
+          { \fp_eval:n { (#3 - #2) / 2 } }
+      }
+        #5
+  }
+\cs_new_protected:Npn \__draw_backend_cm_decompose_auxi:nnnnN #1#2#3#4#5
+  {
+    \use:x
+      {
+        \__draw_backend_cm_decompose_auxii:nnnnN
+          { \fp_eval:n { 2 * sqrt ( #1 * #1 + #4 * #4 ) } }
+          { \fp_eval:n { 2 * sqrt ( #2 * #2 + #3 * #3 ) } }
+          { \fp_eval:n { atand ( #3 , #2 ) } }
+          { \fp_eval:n { atand ( #4 , #1 ) } }
+      }
+         #5
+  }
+\cs_new_protected:Npn \__draw_backend_cm_decompose_auxii:nnnnN #1#2#3#4#5
+  {
+    \use:x
+      {
+        \__draw_backend_cm_decompose_auxiii:nnnnN
+          { \fp_eval:n { ( #4 - #3 ) / 2 } }
+          { \fp_eval:n { ( #1 + #2 ) / 2 } }
+          { \fp_eval:n { ( #1 - #2 ) / 2 } }
+          { \fp_eval:n { ( #4 + #3 ) / 2 } }
+      }
+        #5
+  }
+\cs_new_protected:Npn \__draw_backend_cm_decompose_auxiii:nnnnN #1#2#3#4#5
+  {
+    \fp_compare:nNnTF { abs( #2 ) } > { abs ( #3 ) }
+      { #5 {#1} {#2} {#3} {#4} }
+      { #5 {#1} {#3} {#2} {#4} }
+  }
+\cs_new_protected:Npn \__draw_backend_box_use:Nnnnn #1#2#3#4#5
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_literal:x
+      {
+        pdf:btrans~matrix~
+        \fp_eval:n {#2} ~ \fp_eval:n {#3} ~
+        \fp_eval:n {#4} ~ \fp_eval:n {#5} ~
+        0 ~ 0
+      }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_literal:n { pdf:etrans }
+    \__kernel_backend_scope_end:
+  }
+%% File: l3backend-graphics.dtx
+\AtBeginDocument
+  { \cs_new_eq:NN \__graphics_backend_getbb_eps:n \graphics_read_bb:n }
+\cs_new_protected:Npn \__graphics_backend_getbb_jpg:n #1
+  {
+    \int_zero:N \l_graphics_page_int
+    \tl_clear:N \l_graphics_pagebox_tl
+    \graphics_extract_bb:n {#1}
+  }
+\cs_new_eq:NN \__graphics_backend_getbb_png:n \__graphics_backend_getbb_jpg:n
+\cs_new_protected:Npn \__graphics_backend_getbb_pdf:n #1
+  {
+    \tl_clear:N \l_graphics_decodearray_tl
+    \bool_set_false:N \l_graphics_interpolate_bool
+    \graphics_extract_bb:n {#1}
+  }
+\int_new:N \g__graphics_track_int
+\cs_new_protected:Npn \__graphics_backend_include_eps:n #1
+  {
+    \__kernel_backend_literal:x
+      {
+        PSfile = #1 \c_space_tl
+        llx = \dim_to_decimal_in_bp:n \l_graphics_llx_dim \c_space_tl
+        lly = \dim_to_decimal_in_bp:n \l_graphics_lly_dim \c_space_tl
+        urx = \dim_to_decimal_in_bp:n \l_graphics_urx_dim \c_space_tl
+        ury = \dim_to_decimal_in_bp:n \l_graphics_ury_dim
+      }
+  }
+\cs_new_protected:Npn \__graphics_backend_include_jpg:n #1
+  { \__graphics_backend_include_auxi:nn {#1} { image } }
+\cs_new_eq:NN \__graphics_backend_include_png:n \__graphics_backend_include_jpg:n
+\cs_new_protected:Npn \__graphics_backend_include_pdf:n #1
+  { \__graphics_backend_include_auxi:nn {#1} { epdf } }
+\cs_new_protected:Npn \__graphics_backend_include_auxi:nn #1#2
+  {
+    \__graphics_backend_include_auxii:xnn
+      {
+        \tl_if_empty:NF \l_graphics_pagebox_tl
+          { : \l_graphics_pagebox_tl }
+        \int_compare:nNnT \l_graphics_page_int > 1
+          { :P \int_use:N \l_graphics_page_int }
+        \tl_if_empty:NF \l_graphics_decodearray_tl
+          { :D \l_graphics_decodearray_tl }
+        \bool_if:NT \l_graphics_interpolate_bool
+           { :I }
+      }
+      {#1} {#2}
+  }
+\cs_new_protected:Npn \__graphics_backend_include_auxii:nnn #1#2#3
+  {
+    \int_if_exist:cTF { c__graphics_graphics_ #2#1 _int }
+      {
+        \__kernel_backend_literal:x
+          { pdf:usexobj~@graphic \int_use:c { c__graphics_graphics_ #2#1 _int } }
+      }
+      { \__graphics_backend_include_auxiii:nnn {#2} {#1} {#3} }
+  }
+\cs_generate_variant:Nn \__graphics_backend_include_auxii:nnn { x }
+\cs_new_protected:Npn \__graphics_backend_include_auxiii:nnn #1#2#3
+  {
+    \int_gincr:N \g__graphics_track_int
+    \int_const:cn { c__graphics_graphics_ #1#2 _int } { \g__graphics_track_int }
+    \__kernel_backend_literal:x
+      {
+        pdf:#3~
+        @graphic \int_use:c { c__graphics_graphics_ #1#2 _int } ~
+        \int_compare:nNnT \l_graphics_page_int > 1
+          { page ~ \int_use:N \l_graphics_page_int \c_space_tl }
+        \tl_if_empty:NF \l_graphics_pagebox_tl
+          {
+            pagebox ~ \l_graphics_pagebox_tl \c_space_tl
+            bbox ~
+              \dim_to_decimal_in_bp:n \l_graphics_llx_dim \c_space_tl
+              \dim_to_decimal_in_bp:n \l_graphics_lly_dim \c_space_tl
+              \dim_to_decimal_in_bp:n \l_graphics_urx_dim \c_space_tl
+              \dim_to_decimal_in_bp:n \l_graphics_ury_dim \c_space_tl
+          }
+        (#1)
+        \bool_lazy_or:nnT
+          { \l_graphics_interpolate_bool }
+          { ! \tl_if_empty_p:N \l_graphics_decodearray_tl }
+          {
+            <<
+              \tl_if_empty:NF \l_graphics_decodearray_tl
+                { /Decode~[ \l_graphics_decodearray_tl ] }
+              \bool_if:NT \l_graphics_interpolate_bool
+                { /Interpolate~true> }
+            >>
+          }
+      }
+  }
+%% File: l3backend-pdf.dtx
+\box_new:N \l__pdf_internal_box
+\cs_new_protected:Npx \__pdf_backend:n #1
+  { \__kernel_backend_literal:n { pdf: #1 } }
+\cs_generate_variant:Nn \__pdf_backend:n { x }
+\cs_new_protected:Npn \__pdf_backend_catalog_gput:nn #1#2
+  { \__pdf_backend:n { put ~ @catalog << /#1 ~ #2 >> } }
+\cs_new_protected:Npn \__pdf_backend_info_gput:nn #1#2
+  { \__pdf_backend:n { docinfo << /#1 ~ #2 >> } }
+\int_new:N \g__pdf_backend_object_int
+\prop_new:N \g__pdf_backend_object_prop
+\cs_new_protected:Npn \__pdf_backend_object_new:nn #1#2
+  {
+    \int_gincr:N \g__pdf_backend_object_int
+    \int_const:cn
+      { c__pdf_backend_object_ \tl_to_str:n {#1} _int }
+      { \g__pdf_backend_object_int }
+    \prop_gput:Nnn \g__pdf_backend_object_prop {#1} {#2}
+  }
+\cs_new:Npn \__pdf_backend_object_ref:n #1
+  { @pdf.obj \int_use:c { g__pdf_backend_object_ \tl_to_str:n {#1} _int } }
+\cs_new_protected:Npn \__pdf_backend_object_write:nn #1#2
+  {
+    \exp_args:Nx \__pdf_backend_object_write:nnn
+      { \prop_item:Nn \g__pdf_backend_object_prop {#1} } {#1} {#2}
+  }
+\cs_generate_variant:Nn \__pdf_backend_object_write:nn { nx }
+\cs_new_protected:Npn \__pdf_backend_object_write:nnn #1#2#3
+  {
+    \use:c { __pdf_backend_object_write_ #1 :nn }
+      { \__pdf_backend_object_ref:n {#2} } {#3}
+  }
+\cs_new_protected:Npn \__pdf_backend_object_write_array:nn #1#2
+  {
+    \__pdf_backend:x
+      { obj ~ #1 ~ [ ~ \exp_not:n {#2} ~ ] }
+  }
+\cs_new_protected:Npn \__pdf_backend_object_write_dict:nn #1#2
+  {
+    \__pdf_backend:x
+      { obj ~ #1 ~ << ~ \exp_not:n {#2} ~ >> }
+  }
+\cs_new_protected:Npn \__pdf_backend_object_write_fstream:nn #1#2
+  { \__pdf_backend_object_write_stream:nnnn { f } {#1} #2 }
+\cs_new_protected:Npn \__pdf_backend_object_write_stream:nn #1#2
+  { \__pdf_backend_object_write_stream:nnnn { } {#1} #2 }
+\cs_new_protected:Npn \__pdf_backend_object_write_stream:nnnn #1#2#3#4
+  {
+    \__pdf_backend:x
+      {
+        #1 stream ~ #2 ~
+          ( \exp_not:n {#4} ) ~ << \exp_not:n {#3} >>
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_object_now:nn #1#2
+  {
+    \int_gincr:N \g__pdf_backend_object_int
+    \exp_args:Nnx \use:c { __pdf_backend_object_write_ #1 :nn }
+      { @pdf.obj \int_use:N \g__pdf_backend_object_int }
+      {#2}
+  }
+\cs_generate_variant:Nn \__pdf_backend_object_now:nn { nx }
+\cs_new:Npn \__pdf_backend_object_last:
+ { @pdf.obj \int_use:N \g__pdf_backend_object_int }
+\bool_new:N \g__pdf_landscape_bool
+\AtBeginDocument
+  {
+    \cs_if_exist:NT \landscape
+      {
+        \tl_put_right:Nn \landscape
+          { \bool_gset_true:N \g__pdf_landscape_bool }
+        \tl_put_left:Nn \endlandscape
+          { \bool_gset_false:N \g__pdf_landscape_bool }
+      }
+  }
+\int_new:N \g__pdf_backend_annotation_int
+\cs_new_protected:Npn \__pdf_backend_annotation:nnnn #1#2#3#4
+  {
+    \bool_if:NTF \g__pdf_landscape_bool
+      {
+         \box_move_up:nn {#2}
+           {
+             \vbox:n
+               {
+                 \__pdf_backend_annotation_aux:nnnn
+                   { #2 + #3 } {#1} { 0pt } {#4}
+               }
+           }
+      }
+      { \__pdf_backend_annotation_aux:nnnn {#1} {#2} {#3} {#4} }
+  }
+\cs_new_protected:Npn \__pdf_backend_annotation_aux:nnnn #1#2#3#4
+  {
+    \int_gincr:N \g__pdf_backend_object_int
+    \int_gset_eq:NN \g__pdf_backend_annotation_int \g__pdf_backend_object_int
+    \__pdf_backend:x
+      {
+        ann ~ @pdf.obj \int_use:N \g__pdf_backend_object_int \c_space_tl
+        width  ~ \dim_eval:n {#1} ~
+        height ~ \dim_eval:n {#2} ~
+        depth  ~ \dim_eval:n {#3} ~
+        << #4 >>
+      }
+  }
+\cs_new:Npn \__pdf_backend_annotation_last:
+ { @pdf.obj \int_use:N \g__pdf_backend_annotation_int }
+\cs_new_protected:Npn \__pdf_backend_link_begin_goto:nnw #1#2
+  { \__pdf_backend_link_begin:n { #1 /Subtype /Link /A << /S /GoTo /D ( #2 ) >> } }
+\cs_new_protected:Npn \__pdf_backend_link_begin_user:nnw #1#2
+  { \__pdf_backend_link_begin:n {#1#2} }
+\cs_new_protected:Npn \__pdf_backend_link_begin:n #1
+  {
+    \__pdf_backend:n
+      {
+         bann
+         <<
+           /Type /Annot
+           #1
+         >>
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_link_end:
+  { \__pdf_backend:n { eann } }
+\cs_new:Npn \__pdf_backend_link_last: { }
+\cs_new_protected:Npn \__pdf_backend_link_margin:n #1
+  { \__kernel_backend_literal:x { dvipdfmx:config~g~ \dim_eval:n {#1} } }
+\cs_new_protected:Npn \__pdf_backend_destination:nn #1#2
+  {
+    \__pdf_backend:x
+      {
+        dest ~ ( \exp_not:n {#1} )
+        [
+          @thispage
+          \str_case:nnF {#2}
+            {
+              { xyz }   { /XYZ ~ @xpos ~ @ypos ~ null }
+              { fit }   { /Fit }
+              { fitb }  { /FitB }
+              { fitbh } { /FitBH }
+              { fitbv } { /FitBV ~ @xpos }
+              { fith }  { /FitH ~ @ypos }
+              { fitv }  { /FitV ~ @xpos }
+            }
+            { /XYZ ~ @xpos ~ @ypos ~ \fp_eval:n { (#2) / 100 } }
+        ]
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_destination_rectangle:nn #1#2
+  {
+    \group_begin:
+      \hbox_set:Nn \l__pdf_internal_box {#2}
+      \box_move_down:nn { \box_dp:N \l__pdf_internal_box }
+        {
+          \hbox:n
+            {
+              \__pdf_backend:n { obj ~ @pdf_ #1 _llx ~ @xpos }
+              \__pdf_backend:n { obj ~ @pdf_ #1 _lly ~ @ypos }
+            }
+        }
+      \box_use:N \l__pdf_internal_box
+      \box_move_up:nn { \box_ht:N \l__pdf_internal_box }
+        {
+          \hbox:n
+            {
+              \__pdf_backend:n
+                {
+                  dest ~ (#1)
+                  [
+                    @thispage
+                    /FitR ~
+                      @pdf_ #1 _llx ~ @pdf_ #1 _lly ~
+                      @xpos ~ @ypos
+                  ]
+                }
+            }
+        }
+    \group_end:
+  }
+\cs_new_protected:Npn \__pdf_backend_compresslevel:n #1
+  { \__kernel_backend_literal:x { dvipdfmx:config~z~ \int_eval:n {#1} } }
+\cs_new_protected:Npn \__pdf_backend_compress_objects:n #1
+  {
+    \bool_if:nF {#1}
+      { \__kernel_backend_literal:n { dvipdfmx:config~C~0x40 } }
+  }
+\cs_new_protected:Npn \__pdf_backend_version_major:n #1
+  {
+    \cs_gset:Npx \__pdf_backend_version_major: { \int_eval:n {#1} }
+    \__kernel_backend_literal:x { pdf:majorversion \__pdf_backend_version_major: }
+  }
+\cs_new_protected:Npn \__pdf_backend_version_minor:n #1
+  {
+    \cs_gset:Npx \__pdf_backend_version_minor: { \int_eval:n {#1} }
+    \__kernel_backend_literal:x { pdf:minorversion \__pdf_backend_version_minor: }
+  }
+\cs_new:Npn \__pdf_backend_version_major: { 1 }
+\cs_new:Npn \__pdf_backend_version_minor: { 5 }
+\cs_new_protected:Npn \__pdf_backend_bdc:nn #1#2
+  { \__kernel_backend_literal_page:n { /#1 ~ #2 ~ BDC } }
+\cs_new_protected:Npn \__pdf_backend_emc:
+  { \__kernel_backend_literal_page:n { EMC } }
+%% 
+%%
+%% End of file `l3backend-dvipdfmx.def'.
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def
new file mode 100644
index 00000000000..d259a884fe8
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def
@@ -0,0 +1,1197 @@
+%%
+%% This is file `l3backend-dvips.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% l3backend-basics.dtx  (with options: `package,dvips')
+%% l3backend-color.dtx  (with options: `package,dvips')
+%% l3backend-box.dtx  (with options: `package,dvips')
+%% l3backend-draw.dtx  (with options: `package,dvips')
+%% l3backend-graphics.dtx  (with options: `package,dvips')
+%% l3backend-pdf.dtx  (with options: `package,dvips')
+%% 
+%% Copyright (C) 1990-2019 The LaTeX3 Project
+%% 
+%% It may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License (LPPL), either version 1.3c of
+%% this license or (at your option) any later version.  The latest
+%% version of this license is in the file:
+%% 
+%%    https://www.latex-project.org/lppl.txt
+%% 
+%% This file is part of the "l3backend bundle" (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%% 
+%% File: l3backend-basics.dtx
+\ProvidesExplFile
+  {l3backend-dvips.def}{2019-04-06}{}
+  {L3 Experimental backend support: dvips}
+\cs_new_eq:NN \__kernel_backend_literal:e \tex_special:D
+\cs_new_protected:Npn \__kernel_backend_literal:n #1
+  { \__kernel_backend_literal:e { \exp_not:n {#1} } }
+\cs_generate_variant:Nn \__kernel_backend_literal:n { x }
+\cs_new_protected:Npn \__kernel_backend_literal_postscript:n #1
+  { \__kernel_backend_literal:n { ps:: #1 } }
+\cs_generate_variant:Nn \__kernel_backend_literal_postscript:n { x }
+\cs_new_protected:Npn \__kernel_backend_postscript:n #1
+  { \__kernel_backend_literal:n { ps: SDict ~ begin ~ #1 ~ end } }
+\cs_generate_variant:Nn \__kernel_backend_postscript:n { x }
+\cs_new_protected:Npx \__kernel_backend_postscript_header:n #1
+  {
+    \cs_if_exist:NTF \AtBeginDvi
+      { \exp_not:N \AtBeginDvi }
+      { \use:n }
+        { \__kernel_backend_literal:n { ! #1 } }
+  }
+\cs_new_protected:Npn \__kernel_backend_align_begin:
+  {
+    \__kernel_backend_literal:n { ps::[begin] }
+    \__kernel_backend_literal_postscript:n { currentpoint }
+    \__kernel_backend_literal_postscript:n { currentpoint~translate }
+  }
+\cs_new_protected:Npn \__kernel_backend_align_end:
+  {
+    \__kernel_backend_literal_postscript:n { neg~exch~neg~exch~translate }
+    \__kernel_backend_literal:n { ps::[end] }
+  }
+\cs_new_protected:Npn \__kernel_backend_scope_begin:
+  { \__kernel_backend_literal:n { ps:gsave } }
+\cs_new_protected:Npn \__kernel_backend_scope_end:
+  { \__kernel_backend_literal:n { ps:grestore } }
+%% File: l3backend-color.dtx
+\cs_new_protected:Npn \__color_backend_pickup:N #1 { }
+\AtBeginDocument
+  {
+    \@ifpackageloaded { color }
+      {
+        \cs_set_protected:Npn \__color_backend_pickup:N #1
+          {
+            \exp_args:NV \tl_if_head_is_space:nTF \current@color
+              {
+                \tl_set:Nx #1
+                   {
+                     spot ~
+                     \exp_after:wN \use:n \current@color \c_space_tl 1
+                   }
+              }
+              {
+                \exp_last_unbraced:Nx \__color_backend_pickup:w
+                  { \current@color } \q_stop #1
+              }
+          }
+        \cs_new_protected:Npn \__color_backend_pickup:w #1 ~ #2 \q_stop #3
+          { \tl_set:Nn #3 { #1 ~ #2 } }
+      }
+      { }
+  }
+\cs_new_protected:Npn \__color_backend_cmyk:nnnn #1#2#3#4
+  {
+    \__color_backend_select:x
+      {
+        cmyk~
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4}
+      }
+  }
+\cs_new_protected:Npn \__color_backend_gray:n #1
+  { \__color_backend_select:x { gray~ \fp_eval:n {#1} } }
+\cs_new_protected:Npn \__color_backend_rgb:nnn #1#2#3
+  {
+    \__color_backend_select:x
+      { rgb~ \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} }
+  }
+\cs_new_protected:Npn \__color_backend_spot:nn #1#2
+  { \__color_backend_select:n { #1 } }
+\cs_new_protected:Npn \__color_backend_select:n #1
+  {
+    \__kernel_backend_literal:n { color~push~ #1 }
+    \__kernel_backend_postscript:n { /color.fc~{ }~def }
+    \group_insert_after:N \__color_backend_reset:
+  }
+\cs_generate_variant:Nn \__color_backend_select:n { x }
+\cs_new_protected:Npn \__color_backend_reset:
+  { \__kernel_backend_literal:n { color~pop } }
+%% File: l3backend-box.dtx
+\cs_new_protected:Npn \__box_backend_clip:N #1
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_align_begin:
+    \__kernel_backend_literal_postscript:n { matrix~currentmatrix }
+    \__kernel_backend_literal_postscript:n
+      { Resolution~72~div~VResolution~72~div~scale }
+    \__kernel_backend_literal_postscript:n { DVImag~dup~scale }
+    \__kernel_backend_literal_postscript:x
+      {
+        0 ~
+        \dim_to_decimal_in_bp:n { \box_dp:N #1 } ~
+        \dim_to_decimal_in_bp:n { \box_wd:N #1 } ~
+        \dim_to_decimal_in_bp:n { -\box_ht:N #1 - \box_dp:N #1 } ~
+        rectclip
+      }
+    \__kernel_backend_literal_postscript:n { setmatrix }
+    \__kernel_backend_align_end:
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+    \skip_horizontal:n { \box_wd:N #1 }
+  }
+\cs_new_protected:Npn \__box_backend_rotate:Nn #1#2
+  { \exp_args:NNf \__box_backend_rotate_aux:Nn #1 { \fp_eval:n {#2} } }
+\cs_new_protected:Npn \__box_backend_rotate_aux:Nn #1#2
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_align_begin:
+    \__kernel_backend_literal_postscript:x
+      {
+        \fp_compare:nNnTF {#2} = \c_zero_fp
+          { 0 }
+          { \fp_eval:n { round ( -(#2) , 5 ) } } ~
+        rotate
+      }
+   \__kernel_backend_align_end:
+   \box_use:N #1
+   \__kernel_backend_scope_end:
+  }
+\cs_new_protected:Npn \__box_backend_scale:Nnn #1#2#3
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_align_begin:
+    \__kernel_backend_literal_postscript:x
+      {
+        \fp_eval:n { round ( #2 , 5 ) } ~
+        \fp_eval:n { round ( #3 , 5 ) } ~
+        scale
+      }
+    \__kernel_backend_align_end:
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+  }
+%% File: l3backend-draw.dtx
+\cs_new_eq:NN \__draw_backend_literal:n \__kernel_backend_literal_postscript:n
+\cs_generate_variant:Nn \__draw_backend_literal:n { x }
+\cs_new_protected:Npn \__draw_backend_begin:
+  {
+    \__kernel_backend_literal:n { ps::[begin] }
+    \__draw_backend_literal:n { @beginspecial }
+    \__draw_backend_literal:n { SDict ~ begin ~ /color.fc ~ { } ~ def ~ end }
+  }
+\cs_new_protected:Npn \__draw_backend_end:
+  {
+    \__draw_backend_literal:n { @endspecial }
+    \__kernel_backend_literal:n { ps::[end] }
+  }
+\cs_new_protected:Npn \__draw_backend_scope_begin:
+  { \__draw_backend_literal:n { save } }
+\cs_new_protected:Npn \__draw_backend_scope_end:
+  { \__draw_backend_literal:n { restore } }
+\cs_new_protected:Npn \__draw_backend_moveto:nn #1#2
+  {
+    \__draw_backend_literal:x
+      {
+        \dim_to_decimal_in_bp:n {#1} ~
+        \dim_to_decimal_in_bp:n {#2} ~ moveto
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_lineto:nn #1#2
+  {
+    \__draw_backend_literal:x
+      {
+        \dim_to_decimal_in_bp:n {#1} ~
+        \dim_to_decimal_in_bp:n {#2} ~ lineto
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_rectangle:nnnn #1#2#3#4
+  {
+     \__draw_backend_literal:x
+       {
+         \dim_to_decimal_in_bp:n {#4} ~ \dim_to_decimal_in_bp:n {#3} ~
+         \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
+         moveto~dup~0~rlineto~exch~0~exch~rlineto~neg~0~rlineto~closepath
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_curveto:nnnnnn #1#2#3#4#5#6
+  {
+    \__draw_backend_literal:x
+      {
+        \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
+        \dim_to_decimal_in_bp:n {#3} ~ \dim_to_decimal_in_bp:n {#4} ~
+        \dim_to_decimal_in_bp:n {#5} ~ \dim_to_decimal_in_bp:n {#6} ~
+        curveto
+      }
+ }
+\cs_new_protected:Npn \__draw_backend_evenodd_rule:
+  { \bool_gset_true:N \g__draw_draw_eor_bool }
+\cs_new_protected:Npn \__draw_backend_nonzero_rule:
+  { \bool_gset_false:N \g__draw_draw_eor_bool }
+\bool_new:N \g__draw_draw_eor_bool
+\cs_new_protected:Npn \__draw_backend_closepath:
+  { \__draw_backend_literal:n { closepath } }
+\cs_new_protected:Npn \__draw_backend_stroke:
+  {
+    \__draw_backend_literal:n { stroke }
+    \bool_if:NT \g__draw_draw_clip_bool
+      {
+        \__draw_backend_literal:x
+          {
+            \bool_if:NT \g__draw_draw_eor_bool { eo }
+            clip
+          }
+      }
+    \__draw_backend_literal:n { newpath }
+    \bool_gset_false:N \g__draw_draw_clip_bool
+  }
+\cs_new_protected:Npn \__draw_backend_closestroke:
+  {
+    \__draw_backend_closepath:
+    \__draw_backend_stroke:
+  }
+\cs_new_protected:Npn \__draw_backend_fill:
+  {
+    \__draw_backend_literal:n { gsave }
+    \__draw_backend_literal:n { color.fc }
+    \__draw_backend_literal:x
+      {
+        \bool_if:NT \g__draw_draw_eor_bool { eo }
+        fill
+      }
+    \__draw_backend_literal:n { grestore }
+    \bool_if:NT \g__draw_draw_clip_bool
+      {
+        \__draw_backend_literal:x
+          {
+            \bool_if:NT \g__draw_draw_eor_bool { eo }
+            clip
+          }
+      }
+    \__draw_backend_literal:n { newpath }
+    \bool_gset_false:N \g__draw_draw_clip_bool
+  }
+\cs_new_protected:Npn \__draw_backend_fillstroke:
+  {
+    \__draw_backend_literal:n { gsave }
+    \__draw_backend_literal:n { color.fc }
+    \__draw_backend_literal:x
+      {
+        \bool_if:NT \g__draw_draw_eor_bool { eo }
+        fill
+      }
+    \__draw_backend_literal:n { grestore }
+    \__draw_backend_literal:n { stroke }
+    \bool_if:NT \g__draw_draw_clip_bool
+      {
+        \__draw_backend_literal:x
+          {
+            \bool_if:NT \g__draw_draw_eor_bool { eo }
+            clip
+          }
+      }
+    \__draw_backend_literal:n { newpath }
+    \bool_gset_false:N \g__draw_draw_clip_bool
+  }
+\cs_new_protected:Npn \__draw_backend_clip:
+  { \bool_gset_true:N \g__draw_draw_clip_bool }
+\bool_new:N \g__draw_draw_clip_bool
+\cs_new_protected:Npn \__draw_backend_discardpath:
+  {
+    \bool_if:NT \g__draw_draw_clip_bool
+      {
+        \__draw_backend_literal:x
+          {
+            \bool_if:NT \g__draw_draw_eor_bool { eo }
+            clip
+          }
+      }
+    \__draw_backend_literal:n { newpath }
+    \bool_gset_false:N \g__draw_draw_clip_bool
+  }
+\cs_new_protected:Npn \__draw_backend_dash_pattern:nn #1#2
+  {
+    \__draw_backend_literal:x
+      {
+        [
+          \exp_args:Nf \use:n
+            { \clist_map_function:nN {#1} \__draw_backend_dash:n }
+        ] ~
+        \dim_to_decimal_in_bp:n {#2} ~ setdash
+      }
+  }
+\cs_new:Npn \__draw_backend_dash:n #1
+  { ~ \dim_to_decimal_in_bp:n {#1} }
+\cs_new_protected:Npn \__draw_backend_linewidth:n #1
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ setlinewidth }
+  }
+\cs_new_protected:Npn \__draw_backend_miterlimit:n #1
+  { \__draw_backend_literal:x { \fp_eval:n {#1} ~ setmiterlimit } }
+\cs_new_protected:Npn \__draw_backend_cap_butt:
+  { \__draw_backend_literal:n { 0 ~ setlinecap } }
+\cs_new_protected:Npn \__draw_backend_cap_round:
+  { \__draw_backend_literal:n { 1 ~ setlinecap } }
+\cs_new_protected:Npn \__draw_backend_cap_rectangle:
+  { \__draw_backend_literal:n { 2 ~ setlinecap } }
+\cs_new_protected:Npn \__draw_backend_join_miter:
+  { \__draw_backend_literal:n { 0 ~ setlinejoin } }
+\cs_new_protected:Npn \__draw_backend_join_round:
+  { \__draw_backend_literal:n { 1 ~ setlinejoin } }
+\cs_new_protected:Npn \__draw_backend_join_bevel:
+  { \__draw_backend_literal:n { 2 ~ setlinejoin } }
+\cs_new_protected:Npn \__draw_backend_color_fill_cmyk:nnnn #1#2#3#4
+  {
+    \__draw_backend_color_fill:x
+      {
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
+        setcmykcolor
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_cmyk:nnnn #1#2#3#4
+  {
+    \__draw_backend_color_stroke:x
+      {
+        cmyk ~
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4}
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_fill_gray:n #1
+  { \__draw_backend_color_fill:x { \fp_eval:n {#1} ~ setgray } }
+\cs_new_protected:Npn \__draw_backend_color_stroke_gray:n #1
+  { \__draw_backend_color_stroke:x { gray ~ \fp_eval:n {#1} } }
+\cs_new_protected:Npn \__draw_backend_color_fill_rgb:nnn #1#2#3
+  {
+    \__draw_backend_color_fill:x
+      { \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} ~ setrgbcolor }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_rgb:nnn #1#2#3
+  {
+    \__draw_backend_color_stroke:x
+      { rgb ~ \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} }
+  }
+\cs_new_protected:Npn \__draw_backend_color_fill:n #1
+  {
+    \__kernel_backend_postscript:n
+      { SDict ~ begin ~ /color.fc ~ { #1 } ~ def ~ end }
+  }
+\cs_generate_variant:Nn \__draw_backend_color_fill:n { x }
+\cs_new_protected:Npn \__draw_backend_color_stroke:n #1
+  {
+    \__kernel_backend_literal:n { color~push~#1 }
+    \group_insert_after:N \__draw_color_reset:
+  }
+\cs_generate_variant:Nn \__draw_backend_color_stroke:n { x }
+\cs_new_protected:Npn \__draw_backend_cm:nnnn #1#2#3#4
+  {
+    \__draw_backend_literal:n
+      {
+        [
+          \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+          \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
+          0 ~ 0
+        ] ~
+        concat
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_box_use:Nnnnn #1#2#3#4#5
+  {
+    \__draw_backend_literal:n { @endspecial }
+    \__draw_backend_literal:n { [end] }
+    \__draw_backend_literal:n { [begin] }
+    \__draw_backend_literal:n { save }
+    \__draw_backend_literal:n { currentpoint }
+    \__draw_backend_literal:n { currentpoint~translate }
+    \__draw_backend_cm:nnnn { 1 } { 0 } { 0 } { -1 }
+    \__draw_backend_cm:nnnn {#2} {#3} {#4} {#5}
+    \__draw_backend_cm:nnnn { 1 } { 0 } { 0 } { -1 }
+    \__draw_backend_literal:n { neg~exch~neg~exch~translate }
+    \__draw_backend_literal:n { [end] }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__draw_backend_literal:n { [begin] }
+    \__draw_backend_literal:n { restore }
+    \__draw_backend_literal:n { [end] }
+    \__draw_backend_literal:n { [begin] }
+    \__draw_backend_literal:n { @beginspecial }
+  }
+%% File: l3backend-graphics.dtx
+\AtBeginDocument
+  { \cs_new_eq:NN \__graphics_backend_getbb_eps:n \graphics_read_bb:n }
+\cs_new_protected:Npn \__graphics_backend_include_eps:n #1
+  {
+    \__kernel_backend_literal:x
+      {
+        PSfile = #1 \c_space_tl
+        llx = \dim_to_decimal_in_bp:n \l_graphics_llx_dim \c_space_tl
+        lly = \dim_to_decimal_in_bp:n \l_graphics_lly_dim \c_space_tl
+        urx = \dim_to_decimal_in_bp:n \l_graphics_urx_dim \c_space_tl
+        ury = \dim_to_decimal_in_bp:n \l_graphics_ury_dim
+      }
+  }
+%% File: l3backend-pdf.dtx
+\box_new:N \l__pdf_internal_box
+\cs_new_protected:Npn \__pdf_backend_pdfmark:n #1
+  { \__kernel_backend_postscript:n { mark #1 ~ pdfmark } }
+\cs_generate_variant:Nn \__pdf_backend_pdfmark:n { x }
+\cs_new_protected:Npn \__pdf_backend_catalog_gput:nn #1#2
+  { \__pdf_backend_pdfmark:n { { Catalog } << /#1 ~ #2 >> /PUT } }
+\cs_new_protected:Npn \__pdf_backend_info_gput:nn #1#2
+  { \__pdf_backend_pdfmark:n { /#1 ~ #2 /DOCINFO } }
+\int_new:N \g__pdf_backend_object_int
+\prop_new:N \g__pdf_backend_object_prop
+\cs_new_protected:Npn \__pdf_backend_object_new:nn #1#2
+  {
+    \int_gincr:N \g__pdf_backend_object_int
+    \int_const:cn
+      { c__pdf_backend_object_ \tl_to_str:n {#1} _int }
+      { \g__pdf_backend_object_int }
+    \prop_gput:Nnn \g__pdf_backend_object_prop {#1} {#2}
+  }
+\cs_new:Npn \__pdf_backend_object_ref:n #1
+  { { pdf.obj \int_use:c { c__pdf_backend_object_ \tl_to_str:n {#1} _int } } }
+\cs_new_protected:Npn \__pdf_backend_object_write:nn #1#2
+  {
+    \__pdf_backend_pdfmark:x
+      {
+        /_objdef ~ \__pdf_backend_object_ref:n {#1}
+        /type
+        \str_case_e:nn
+          { \prop_item:Nn \g__pdf_backend_object_prop {#1} }
+          {
+            { array }   { /array }
+            { dict }    { /dict }
+            { fstream } { /stream }
+            { stream }  { /stream }
+          }
+        /OBJ
+      }
+    \use:c
+      { __pdf_backend_object_write_ \prop_item:Nn \g__pdf_backend_object_prop {#1} :nn }
+      { \__pdf_backend_object_ref:n {#1} } {#2}
+  }
+\cs_generate_variant:Nn \__pdf_backend_object_write:nn { nx }
+\cs_new_protected:Npn \__pdf_backend_object_write_array:nn #1#2
+  {
+    \__pdf_backend_pdfmark:x
+      { #1 [ ~ \exp_not:n {#2} ~ ] ~ /PUTINTERVAL }
+  }
+\cs_new_protected:Npn \__pdf_backend_object_write_dict:nn #1#2
+  {
+    \__pdf_backend_pdfmark:x
+      { #1 << \exp_not:n {#2} >> /PUT }
+  }
+\cs_new_protected:Npn \__pdf_backend_object_write_stream:nn #1#2
+  {
+    \exp_args:Nx
+      \__pdf_backend_object_write_stream:nnn {#1} #2
+  }
+\cs_new_protected:Npn \__pdf_backend_object_write_stream:nnn #1#2#3
+  {
+    \__pdf_postscript:n
+      {
+        [nobreak]
+        mark ~ #1 ~ ( #3 ) /PUT ~ pdfmark ~
+        mark ~ #1 ~ << #2 >> /PUT ~ pdfmark
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_object_now:nn #1#2
+  {
+    \int_gincr:N \g__pdf_backend_object_int
+    \__pdf_backend_pdfmark:x
+      {
+        /_objdef ~ { pdf.obj \int_use:N \g__pdf_backend_object_int }
+        /type
+        \str_case:nn
+          {#1}
+          {
+            { array }   { /array }
+            { dict }    { /dict }
+            { fstream } { /stream }
+            { stream }  { /stream }
+          }
+        /OBJ
+      }
+    \exp_args:Nnx \use:c { __pdf_backend_object_write_ #1 :nn }
+      { { pdf.obj \int_use:N \g__pdf_backend_object_int } } {#2}
+  }
+\cs_generate_variant:Nn \__pdf_backend_object_now:nn { nx }
+\cs_new:Npn \__pdf_backend_object_last:
+  { { pdf.obj \int_use:N \g__pdf_backend_object_int } }
+\__kernel_backend_postscript_header:n
+  {
+    true ~ setglobal ~
+    /pdf.globaldict ~ 4 ~ dict ~ def ~
+    false ~ setglobal
+  }
+\__kernel_backend_postscript_header:n
+  {
+    /pdf.cvs { 65534 ~ string ~ cvs } def
+    /pdf.dvi.pt { 72.27 ~ mul ~ Resolution ~ div } def
+    /pdf.pt.dvi { 72.27 ~ div ~ Resolution ~ mul } def
+    /pdf.rect.ht { dup ~ 1 ~ get ~ neg ~ exch ~ 3 ~ get ~ add } def
+  }
+\__kernel_backend_postscript_header:n
+  {
+    /pdf.linkmargin { 1 ~ pdf.pt.dvi } def
+    /pdf.linkdp.pad { 0 } def
+    /pdf.linkht.pad { 0 } def
+  }
+\__kernel_backend_postscript_header:n
+  {
+    /pdf.rect
+      { /Rect [ pdf.llx ~ pdf.lly ~ pdf.urx ~ pdf.ury ] } def
+    /pdf.save.ll
+      {
+        currentpoint
+        /pdf.lly ~ exch ~ def
+        /pdf.llx ~ exch ~ def
+      }
+        def
+    /pdf.save.ur
+      {
+        currentpoint
+        /pdf.ury ~ exch ~ def
+        /pdf.urx ~ exch ~ def
+      }
+        def
+    /pdf.save.linkll
+      {
+        currentpoint ~
+        pdf.linkmargin ~ add ~
+        pdf.linkdp.pad ~ add
+        /pdf.lly ~ exch ~ def ~
+        pdf.linkmargin ~ sub
+        /pdf.llx ~ exch ~ def
+      }
+        def
+    /pdf.save.linkur
+      {
+        currentpoint ~
+        pdf.linkmargin ~ sub ~
+        pdf.linkht.pad ~ sub
+        /pdf.ury ~ exch ~ def ~
+        pdf.linkmargin ~ add
+        /pdf.urx ~ exch ~ def
+      }
+        def
+  }
+\__kernel_backend_postscript_header:n
+  {
+    /pdf.dest.anchor
+      {
+        currentpoint ~ exch ~
+        pdf.dvi.pt ~ 72 ~ add ~
+        /pdf.dest.x ~ exch ~ def ~
+        pdf.dvi.pt ~
+        vsize ~ 72 ~ sub ~ exch ~ sub ~
+        /pdf.dest.y ~ exch ~ def
+      }
+        def
+    /pdf.dest.point
+      { pdf.dest.x ~ pdf.dest.y } def
+   /pdf.dest2device
+     {
+       /pdf.dest.y ~ exch ~ def
+       /pdf.dest.x ~ exch ~ def ~
+       matrix ~ currentmatrix ~
+       matrix ~ defaultmatrix ~
+       matrix ~ invertmatrix ~
+       matrix ~ concatmatrix ~
+       cvx ~ exec
+       /pdf.dev.y ~ exch ~ def
+       /pdf.dev.x ~ exch ~ def
+       /pdf.tmpd ~ exch ~ def
+       /pdf.tmpc ~ exch ~ def
+       /pdf.tmpb ~ exch ~ def
+       /pdf.tmpa ~ exch ~ def ~
+       pdf.dest.x ~ pdf.tmpa ~ mul ~
+         pdf.dest.y ~ pdf.tmpc ~ mul ~ add ~
+         pdf.dev.x ~ add ~
+       pdf.dest.x ~ pdf.tmpb ~ mul ~
+         pdf.dest.y ~ pdf.tmpd ~ mul ~ add ~
+         pdf.dev.y ~ add
+     }
+       def
+  }
+\__kernel_backend_postscript_header:n
+  {
+    /pdf.bordertracking ~ false ~ def
+    /pdf.bordertracking.begin
+      {
+        SDict ~ /pdf.bordertracking ~ true ~ put ~
+        SDict ~ /pdf.leftboundary ~ undef ~
+        SDict ~ /pdf.rightboundary ~ undef ~
+        /a ~ where
+          {
+            /a
+              {
+                currentpoint ~ pop ~
+                SDict /pdf.rightboundary ~ known ~ dup
+                  {
+                    SDict /pdf.rightboundary ~ get ~ 2 ~ index ~ lt
+                      { not }
+                    if
+                  }
+                if
+                  { pop }
+                  { SDict ~ exch /pdf.rightboundary ~ exch ~ put }
+                ifelse ~
+                moveto ~
+                currentpoint ~ pop ~
+                SDict /pdf.leftboundary ~ known ~ dup
+                  {
+                    SDict /pdf.leftboundary ~ get ~ 2 ~ index ~ gt
+                      { not }
+                    if
+                  }
+                if
+                  { pop }
+                  { SDict ~ exch /pdf.leftboundary ~ exch ~ put }
+                ifelse
+              }
+            put
+          }
+        if
+      }
+        def
+    /pdf.bordertracking.end
+      {
+        /a ~ where { /a { moveto } put } if
+        /x ~ where { /x { 0 ~ exch ~ rmoveto } put } if ~
+        SDict /pdf.leftboundary ~ known
+          { pdf.outerbox ~ 0 ~ pdf.leftboundary ~ put }
+        if ~
+        SDict /pdf.rightboundary ~ known
+          { pdf.outerbox ~ 2 ~ pdf.rightboundary ~ put }
+        if ~
+        SDict /pdf.bordertracking ~ false ~ put
+      }
+        def
+  /pdf.bordertracking.endpage
+    {
+      pdf.bordertracking
+        {
+          pdf.bordertracking.end ~
+          true ~ setglobal ~
+          pdf.globaldict
+            /pdf.brokenlink.rect [ pdf.outerbox ~ aload ~ pop ] put ~
+          pdf.globaldict
+            /pdf.brokenlink.skip ~ pdf.baselineskip ~ put ~
+          pdf.globaldict
+            /pdf.brokenlink.dict ~
+              pdf.link.dict ~ pdf.cvs ~ put ~
+          false ~ setglobal ~
+          mark ~ pdf.link.dict ~ cvx ~ exec ~ /Rect
+            [
+              pdf.llx ~
+              pdf.lly ~
+              pdf.outerbox ~ 2 ~ get ~ pdf.linkmargin ~ add ~
+              currentpoint ~ exch ~ pop ~
+              pdf.outerbox ~ pdf.rect.ht ~ sub ~ pdf.linkmargin ~ sub
+            ]
+          /ANN ~ pdf.pdfmark
+        }
+      if
+    }
+      def
+    /pdf.bordertracking.continue
+      {
+        /pdf.link.dict ~ pdf.globaldict
+          /pdf.brokenlink.dict ~ get ~ def
+        /pdf.outerbox ~ pdf.globaldict
+          /pdf.brokenlink.rect ~ get ~ def
+        /pdf.baselineskip ~ pdf.globaldict
+          /pdf.brokenlink.skip ~ get ~ def ~
+        pdf.globaldict ~ dup ~ dup
+        /pdf.brokenlink.dict ~ undef
+        /pdf.brokenlink.skip ~ undef
+        /pdf.brokenlink.rect ~ undef ~
+        currentpoint
+        /pdf.originy ~ exch ~ def
+        /pdf.originx ~ exch ~ def
+        /a ~ where
+          {
+            /a
+              {
+                moveto ~
+                SDict ~
+                begin ~
+                currentpoint ~ pdf.originy ~ ne ~ exch ~
+                  pdf.originx ~ ne ~ or
+                  {
+                    pdf.save.linkll
+                    /pdf.lly ~
+                      pdf.lly ~ pdf.outerbox ~ 1 ~ get ~ sub ~ def ~
+                    pdf.bordertracking.begin
+                  }
+                if ~
+                end
+              }
+            put
+          }
+        if
+        /x ~ where
+          {
+            /x
+              {
+                0 ~ exch ~ rmoveto ~
+                SDict~
+                begin ~
+                currentpoint ~
+                pdf.originy ~ ne ~ exch ~ pdf.originx ~ ne ~ or
+                  {
+                    pdf.save.linkll
+                    /pdf.lly ~
+                      pdf.lly ~ pdf.outerbox ~ 1 ~ get ~ sub ~ def ~
+                    pdf.bordertracking.begin
+                  }
+                if ~
+                end
+              }
+            put
+          }
+        if
+      }
+        def
+  }
+\__kernel_backend_postscript_header:n
+  {
+    /pdf.breaklink
+      {
+        pop ~
+        counttomark ~ 2 ~ mod ~ 0 ~ eq
+          {
+            counttomark /pdf.count ~ exch ~ def
+              {
+               pdf.count ~ 0 ~ eq { exit } if ~
+               counttomark ~ 2 ~ roll ~
+               1 ~ index ~ /Rect ~ eq
+                 {
+                   dup ~ 4 ~ array ~ copy ~
+                   dup ~ dup ~
+                     1 ~ get ~
+                     pdf.outerbox ~ pdf.rect.ht ~
+                     pdf.linkmargin ~ 2 ~ mul ~ add ~ sub ~
+                     3 ~ exch ~ put ~
+                   dup ~
+                     pdf.outerbox ~ 2 ~ get ~
+                     pdf.linkmargin ~ add ~
+                     2 ~ exch ~ put ~
+                   dup ~ dup ~
+                     3 ~ get ~
+                     pdf.outerbox ~ pdf.rect.ht ~
+                     pdf.linkmargin ~ 2 ~ mul ~ add ~ add ~
+                     1 ~ exch ~ put
+                   /pdf.currentrect ~ exch ~  def ~
+                   pdf.breaklink.write
+                     {
+                       pdf.currentrect ~
+                       dup ~
+                         pdf.outerbox ~ 0 ~ get ~
+                         pdf.linkmargin ~ sub ~
+                         0 ~ exch ~ put ~
+                       dup ~
+                         pdf.outerbox ~ 2 ~ get ~
+                         pdf.linkmargin ~ add ~
+                         2 ~ exch ~ put ~
+                       dup ~ dup ~
+                         1 ~ get ~
+                         pdf.baselineskip ~ add ~
+                         1 ~ exch ~ put ~
+                       dup ~ dup ~
+                         3 ~ get ~
+                         pdf.baselineskip ~ add ~
+                         3 ~ exch ~ put ~
+                       /pdf.currentrect ~ exch ~ def ~
+                       pdf.breaklink.write
+                      }
+                    1 ~ index ~ 3 ~ get ~
+                    pdf.linkmargin ~ 2 ~ mul ~ add ~
+                    pdf.outerbox ~ pdf.rect.ht ~ add ~
+                    2 ~ index ~ 1 ~ get ~ sub ~
+                    pdf.baselineskip ~ div ~ round ~ cvi ~ 1 ~ sub ~
+                    exch ~
+                  repeat ~
+                  pdf.currentrect ~
+                  dup ~
+                    pdf.outerbox ~ 0 ~ get ~
+                    pdf.linkmargin ~ sub ~
+                    0 ~ exch ~ put ~
+                  dup ~ dup ~
+                    1 ~ get ~
+                    pdf.baselineskip ~ add ~
+                    1 ~ exch ~ put ~
+                  dup ~ dup ~
+                    3 ~ get ~
+                    pdf.baselineskip ~ add ~
+                    3 ~ exch ~ put ~
+                  dup ~ 2 ~ index ~ 2 ~ get ~  2 ~ exch ~ put
+                  /pdf.currentrect ~ exch ~ def ~
+                  pdf.breaklink.write ~
+                  SDict /pdf.pdfmark.good ~ false ~ put ~
+                  exit
+                }
+                { pdf.count ~ 2 ~ sub /pdf.count ~ exch ~ def }
+              ifelse
+            }
+          loop
+        }
+      if
+      /ANN
+    }
+      def
+    /pdf.breaklink.write
+      {
+        counttomark ~ 1 ~ sub ~
+        index /_objdef ~ eq
+          {
+            counttomark ~ -2 ~ roll ~
+            dup ~ wcheck ~
+              {
+                readonly ~
+                counttomark ~ 2 ~ roll
+              }
+              { pop ~ pop }
+            ifelse
+          }
+        if ~
+        counttomark ~ 1 ~ add ~ copy ~
+        pop ~ pdf.currentrect
+        /ANN ~ pdfmark
+      }
+        def
+  }
+\__kernel_backend_postscript_header:n
+  {
+    /pdf.pdfmark
+      {
+        SDict /pdf.pdfmark.good ~ true ~ put ~
+        dup /ANN ~ eq
+          {
+            pdf.pdfmark.store ~
+            pdf.pdfmark.dict ~
+              begin ~
+                Subtype /Link ~ eq ~
+                currentdict /Rect ~ known ~ and ~
+                SDict /pdf.outerbox ~ known ~ and ~
+                SDict /pdf.baselineskip ~ known ~ and ~
+                  {
+                    Rect ~ 3 ~ get ~
+                    pdf.linkmargin ~ 2 ~ mul ~ add ~
+                    pdf.outerbox ~ pdf.rect.ht ~ add ~
+                    Rect ~ 1 ~ get ~ sub ~
+                    pdf.baselineskip ~ div ~ round ~ cvi ~ 0 ~ gt
+                      { pdf.breaklink }
+                    if
+                  }
+                if ~
+              end ~
+            SDict /pdf.outerbox ~ undef ~
+            SDict /pdf.baselineskip ~ undef ~
+            currentdict /pdf.pdfmark.dict ~ undef ~
+          }
+        if ~
+        pdf.pdfmark.good
+          { pdfmark }
+          { cleartomark }
+        ifelse
+      }
+        def
+    /pdf.pdfmark.store
+      {
+        /pdf.pdfmark.dict ~ 65534 ~ dict ~ def ~
+        counttomark ~ 1 ~ add ~ copy ~
+        pop
+          {
+            dup ~ mark ~ eq
+              {
+                pop ~
+                exit
+              }
+              {
+                pdf.pdfmark.dict ~
+                begin ~ def ~ end
+              }
+            ifelse
+          }
+        loop
+    }
+      def
+  }
+\box_new:N \l__pdf_backend_content_box
+\box_new:N \l__pdf_backend_model_box
+\int_new:N \g__pdf_backend_annotation_int
+\cs_new_protected:Npn \__pdf_backend_annotation:nnnn #1#2#3#4
+  {
+    \__pdf_backend_annotation_aux:nnnn {#1} {#2} {#3} {#4}
+    \int_gincr:N \g__pdf_backend_object_int
+    \int_gset_eq:NN \g__pdf_backend_annotation_int \g__pdf_backend_object_int
+    \__pdf_backend_pdfmark:x
+      {
+
+        /_objdef { pdf.obj \int_use:N \g__pdf_backend_object_int }
+        pdf.rect ~
+        #4 ~
+        /ANN
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_annotation_aux:nnnn #1#2#3#4
+  {
+    \box_move_down:nn {#3}
+      { \hbox:n { \__pdf_postscript:n { pdf.save.ll } } }
+    \hbox:n {#4}
+    \box_move_up:nn {#2}
+      {
+        \hbox:n
+          {
+            \tex_kern:D \dim_eval:n {#1} \scan_stop:
+            \__pdf_postscript:n { pdf.save.ur }
+          }
+      }
+    \int_gincr:N \g__pdf_backend_object_int
+    \int_gset_eq:NN \g__pdf_backend_annotation_int \g__pdf_backend_object_int
+    \__pdf_backend_pdfmark:x
+      {
+        /_objdef { pdf.obj \int_use:N \g__pdf_backend_object_int }
+        pdf.rect
+        /ANN
+      }
+  }
+\cs_new:Npn \__pdf_backend_annotation_last:
+  { { pdf.obj \int_use:N \g__pdf_backend_annotation_int } }
+\int_new:N \g__pdf_backend_link_int
+\tl_new:N \g__pdf_backend_link_dict_tl
+\int_new:N \g__pdf_backend_link_sf_int
+\bool_new:N \g__pdf_backend_link_math_bool
+\bool_new:N \g__pdf_backend_link_bool
+\tl_new:N \l__pdf_breaklink_pdfmark_tl
+\tl_set:Nn \l__pdf_breaklink_pdfmark_tl { pdfmark }
+\cs_new_protected:Npn \__pdf_breaklink_postscript:n #1 { }
+\cs_new_eq:NN \__pdf_breaklink_usebox:N \box_use:N
+\cs_new_protected:Npn \__pdf_backend_link_begin_goto:nnw #1#2
+  { \__pdf_backend_link_begin:nw { #1 /Subtype /Link /A << /S /GoTo /D ( #2 ) >> } }
+\cs_new_protected:Npn \__pdf_backend_link_begin_user:nnw #1#2
+  { \__pdf_backend_link_begin:nw {#1#2} }
+\cs_new_protected:Npn \__pdf_backend_link_begin:nw #1
+  {
+    \bool_if:NF \g__pdf_backend_link_bool
+      { \__pdf_backend_link_begin_aux:nw {#1} }
+  }
+\cs_new_protected:Npn \__pdf_backend_link_begin_aux:nw #1
+  {
+    \bool_gset_true:N \g__pdf_backend_link_bool
+    \__pdf_postscript:n
+      { /pdf.link.dict ( #1 ) def }
+    \tl_gset:Nn \g__pdf_backend_link_dict_tl {#1}
+    \__pdf_backend_link_sf_save:
+    \mode_if_math:TF
+      { \bool_gset_true:N \g__pdf_backend_link_math_bool }
+      { \bool_gset_false:N \g__pdf_backend_link_math_bool }
+    \hbox_set:Nw \l__pdf_backend_content_box
+      \__pdf_backend_link_sf_restore:
+      \bool_if:NT \g__pdf_backend_link_math_bool
+        { \c_math_toggle_token }
+  }
+\cs_new_protected:Npn \__pdf_backend_link_end:
+  {
+    \bool_if:NT \g__pdf_backend_link_bool
+      { \__pdf_backend_link_end_aux: }
+  }
+\cs_new_protected:Npn \__pdf_backend_link_end_aux:
+  {
+      \bool_if:NT \g__pdf_backend_link_math_bool
+        { \c_math_toggle_token }
+      \__pdf_backend_link_sf_save:
+    \hbox_set_end:
+    \__pdf_backend_link_minima:
+    \hbox_set:Nn \l__pdf_backend_model_box { Gg }
+    \exp_args:Nx \__pdf_backend_link_outerbox:n
+      {
+         \int_if_odd:nTF { \value { page } }
+           { \oddsidemargin }
+           { \evensidemargin }
+      }
+    \box_move_down:nn { \box_dp:N \l__pdf_backend_content_box }
+      { \hbox:n { \__pdf_postscript:n { pdf.save.linkll } } }
+    \__pdf_breaklink_postscript:n { pdf.bordertracking.begin }
+    \__pdf_breaklink_usebox:N \l__pdf_backend_content_box
+    \__pdf_breaklink_postscript:n { pdf.bordertracking.end }
+    \box_move_up:nn { \box_ht:N \l__pdf_backend_content_box }
+      {
+        \hbox:n
+          { \__pdf_postscript:n { pdf.save.linkur } }
+      }
+    \int_gincr:N \g__pdf_backend_object_int
+    \int_gset_eq:NN \g__pdf_backend_link_int \g__pdf_backend_object_int
+    \__pdf_postscript:x
+      {
+        mark
+        /_objdef { pdf.obj \int_use:N \g__pdf_backend_link_int }
+        \g__pdf_backend_link_dict_tl \c_space_tl
+        pdf.rect
+        /ANN ~ \l__pdf_breaklink_pdfmark_tl
+      }
+    \__pdf_backend_link_sf_restore:
+    \bool_gset_false:N \g__pdf_backend_link_bool
+  }
+\cs_new_protected:Npn \__pdf_backend_link_minima:
+  {
+    \hbox_set:Nn \l__pdf_backend_model_box { Gg }
+    \__pdf_postscript:x
+      {
+        /pdf.linkdp.pad ~
+          \dim_to_decimal:n
+            {
+              \dim_max:nn
+                {
+                    \box_dp:N \l__pdf_backend_model_box
+                  - \box_dp:N \l__pdf_backend_content_box
+                }
+                { 0pt }
+            } ~
+              pdf.pt.dvi ~ def
+        /pdf.linkht.pad ~
+          \dim_to_decimal:n
+            {
+              \dim_max:nn
+                {
+                    \box_ht:N \l__pdf_backend_model_box
+                  - \box_ht:N \l__pdf_backend_content_box
+                }
+                { 0pt }
+            } ~
+              pdf.pt.dvi ~ def
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_link_outerbox:n #1
+  {
+    \__pdf_postscript:x
+      {
+        /pdf.outerbox
+          [
+            \dim_to_decimal:n {#1} ~
+            \dim_to_decimal:n { -\box_dp:N \l__pdf_backend_model_box } ~
+            \dim_to_decimal:n { #1 + \textwidth } ~
+            \dim_to_decimal:n { \box_ht:N \l__pdf_backend_model_box }
+          ]
+          [ exch { pdf.pt.dvi } forall ] def
+        /pdf.baselineskip ~
+          \dim_to_decimal:n { \tex_baselineskip:D } ~ dup ~ 0 ~ gt
+            { pdf.pt.dvi ~ def }
+            { pop ~ pop }
+          ifelse
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_link_sf_save:
+  {
+    \int_gset:Nn \g__pdf_backend_link_sf_int
+      {
+        \mode_if_horizontal:TF
+          { \tex_spacefactor:D }
+          { 0 }
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_link_sf_restore:
+  {
+    \mode_if_horizontal:T
+      {
+        \int_compare:nNnT \g__pdf_backend_link_sf_int > { 0 }
+          { \int_set_eq:NN \tex_spacefactor:D \g__pdf_backend_link_sf_int }
+      }
+  }
+\use_none:n
+  {
+    \cs_if_exist:NT \@makecol@hook
+      {
+        \tl_put_right:Nn \@makecol@hook
+          {
+            \box_if_empty:NF \@cclv
+              {
+                \vbox_set:Nn \@cclv
+                  {
+                    \__pdf_postscript:n
+                      {
+                        pdf.globaldict /pdf.brokenlink.rect ~ known
+                          { pdf.bordertracking.continue }
+                        if
+                      }
+                    \vbox_unpack_drop:N \@cclv
+                    \__pdf_postscript:n
+                      { pdf.bordertracking.endpage }
+                  }
+              }
+          }
+        \tl_set:Nn \l__pdf_breaklink_pdfmark_tl { pdf.pdfmark }
+        \cs_set_eq:NN \__pdf_breaklink_postscript:n \__pdf_postscript:n
+        \cs_set_eq:NN \__pdf_breaklink_usebox:N \hbox_unpack:N
+      }
+  }
+\cs_new:Npn \__pdf_backend_link_last:
+  { { pdf.obj \int_use:N \g__pdf_backend_link_int } }
+\cs_new_protected:Npn \__pdf_backend_link_margin:n #1
+  {
+    \__pdf_postscript:x
+      {
+        /pdf.linkmargin { \dim_to_decimal:n {#1} ~ pdf.pt.dvi } def
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_destination:nn #1#2
+  {
+    \__pdf_postscript:n { pdf.dest.anchor }
+    \__pdf_backend_pdfmark:x
+      {
+        /View
+        [
+          \str_case:nnF {#2}
+            {
+              { xyz }   { /XYZ ~ pdf.dest.point ~ null }
+              { fit }   { /Fit }
+              { fitb }  { /FitB }
+              { fitbh } { /FitBH ~ pdf.dest.y }
+              { fitbv } { /FitBV ~ pdf.dest.x }
+              { fith }  { /FitH ~ pdf.dest.y }
+              { fitv }  { /FitV ~ pdf.dest.x }
+            }
+            {
+              /XYZ ~ pdf.dest.point ~ \fp_eval:n { (#2) / 100 }
+            }
+        ]
+        /Dest ( \exp_not:n {#1} ) cvn
+        /DEST
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_destination_rectangle:nn #1#2
+  {
+    \group_begin:
+      \hbox_set:Nn \l__pdf_internal_box {#2}
+      \box_move_down:nn
+        { \box_dp:N \l__pdf_internal_box }
+        { \hbox:n { \__pdf_postscript:n { pdf.save.ll } } }
+      \box_use:N \l__pdf_internal_box
+      \box_move_up:nn
+        { \box_ht:N \l__pdf_internal_box }
+        { \hbox:n { \__pdf_postscript:n { pdf.save.ur } } }
+      \__pdf_backend_pdfmark:n
+        {
+          /View
+          [
+            /FitR ~
+              pdf.llx ~ pdf.lly ~ pdf.dest2device ~
+              pdf.urx ~ pdf.ury ~ pdf.dest2device
+          ]
+          /Dest ( #1 ) cvn
+          /DEST
+        }
+    \group_end:
+  }
+\cs_new_protected:Npn \__pdf_backend_compresslevel:n #1 { }
+\cs_new_protected:Npn \__pdf_backend_compress_objects:n #1 { }
+\cs_new_protected:Npn \__pdf_backend_version_major_gset:n #1 { }
+\cs_new_protected:Npn \__pdf_backend_version_minor_gset:n #1 { }
+\cs_new:Npn \__pdf_backend_version_major: { -1 }
+\cs_new:Npn \__pdf_backend_version_minor: { -1 }
+\cs_new_protected:Npn \__pdf_backend_bdc:nn #1#2
+  { \__pdf_backend_pdfmark:n { /#1 ~ #2 /BDC } }
+\cs_new_protected:Npn \__pdf_backend_emc:
+  { \__pdf_backend_pdfmark:n { /EMC } }
+%% 
+%%
+%% End of file `l3backend-dvips.def'.
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def
new file mode 100644
index 00000000000..254169a1c6d
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def
@@ -0,0 +1,504 @@
+%%
+%% This is file `l3backend-dvisvgm.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% l3backend-basics.dtx  (with options: `package,dvisvgm')
+%% l3backend-color.dtx  (with options: `package,dvisvgm')
+%% l3backend-box.dtx  (with options: `package,dvisvgm')
+%% l3backend-draw.dtx  (with options: `package,dvisvgm')
+%% l3backend-graphics.dtx  (with options: `package,dvisvgm')
+%% l3backend-pdf.dtx  (with options: `package,dvisvgm')
+%% 
+%% Copyright (C) 1990-2019 The LaTeX3 Project
+%% 
+%% It may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License (LPPL), either version 1.3c of
+%% this license or (at your option) any later version.  The latest
+%% version of this license is in the file:
+%% 
+%%    https://www.latex-project.org/lppl.txt
+%% 
+%% This file is part of the "l3backend bundle" (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%% 
+%% File: l3backend-basics.dtx
+\ProvidesExplFile
+  {l3backend-dvisvgm.def}{2019-04-06}{}
+  {L3 Experimental backend support: dvisvgm}
+\cs_new_eq:NN \__kernel_backend_literal:e \tex_special:D
+\cs_new_protected:Npn \__kernel_backend_literal:n #1
+  { \__kernel_backend_literal:e { \exp_not:n {#1} } }
+\cs_generate_variant:Nn \__kernel_backend_literal:n { x }
+\cs_new_protected:Npn \__kernel_backend_literal_svg:n #1
+  { \__kernel_backend_literal:n { dvisvgm:raw~ #1 { ?nl } } }
+\cs_generate_variant:Nn \__kernel_backend_literal_svg:n { x }
+\cs_new_protected:Npn \__kernel_backend_scope_begin:
+  { \__kernel_backend_literal_svg:n { <g> } }
+\cs_new_protected:Npn \__kernel_backend_scope_end:
+  { \__kernel_backend_literal_svg:n { </g> } }
+\cs_new_protected:Npn \__kernel_backend_scope_begin:n #1
+  { \__kernel_backend_literal_svg:n { <g~ #1 > } }
+\cs_generate_variant:Nn \__kernel_backend_scope_begin:n { x }
+%% File: l3backend-color.dtx
+\cs_new_protected:Npn \__color_backend_pickup:N #1 { }
+\AtBeginDocument
+  {
+    \@ifpackageloaded { color }
+      {
+        \cs_set_protected:Npn \__color_backend_pickup:N #1
+          {
+            \exp_args:NV \tl_if_head_is_space:nTF \current@color
+              {
+                \tl_set:Nx #1
+                   {
+                     spot ~
+                     \exp_after:wN \use:n \current@color \c_space_tl 1
+                   }
+              }
+              {
+                \exp_last_unbraced:Nx \__color_backend_pickup:w
+                  { \current@color } \q_stop #1
+              }
+          }
+        \cs_new_protected:Npn \__color_backend_pickup:w #1 ~ #2 \q_stop #3
+          { \tl_set:Nn #3 { #1 ~ #2 } }
+      }
+      { }
+  }
+\cs_new_protected:Npn \__color_backend_cmyk:nnnn #1#2#3#4
+  {
+    \__color_backend_select:x
+      {
+        cmyk~
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4}
+      }
+  }
+\cs_new_protected:Npn \__color_backend_gray:n #1
+  { \__color_backend_select:x { gray~ \fp_eval:n {#1} } }
+\cs_new_protected:Npn \__color_backend_rgb:nnn #1#2#3
+  {
+    \__color_backend_select:x
+      { rgb~ \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} }
+  }
+\cs_new_protected:Npn \__color_backend_spot:nn #1#2
+  { \__color_backend_select:n { #1 } }
+\cs_new_protected:Npn \__color_backend_select:n #1
+  {
+    \__kernel_backend_literal:n { color~push~ #1 }
+    \group_insert_after:N \__color_backend_reset:
+  }
+\cs_generate_variant:Nn \__color_backend_select:n { x }
+\cs_new_protected:Npn \__color_backend_reset:
+  { \__kernel_backend_literal:n { color~pop } }
+%% File: l3backend-box.dtx
+\cs_new_protected:Npn \__box_backend_clip:N #1
+  {
+    \int_gincr:N \g__box_clip_path_int
+    \__kernel_backend_literal_svg:x
+      { < clipPath~id = " l3cp \int_use:N \g__box_clip_path_int " > }
+    \__kernel_backend_literal_svg:x
+      {
+        <
+          path ~ d =
+            "
+              M ~ 0 ~
+                  \dim_to_decimal:n { -\box_dp:N #1 } ~
+              L ~ \dim_to_decimal:n { \box_wd:N #1 } ~
+                  \dim_to_decimal:n { -\box_dp:N #1 } ~
+              L ~ \dim_to_decimal:n { \box_wd:N #1 }  ~
+                  \dim_to_decimal:n { \box_ht:N #1 + \box_dp:N #1 } ~
+              L ~ 0 ~
+                  \dim_to_decimal:n { \box_ht:N #1 + \box_dp:N #1 } ~
+              Z
+            "
+        />
+      }
+    \__kernel_backend_literal_svg:n
+      { < /clipPath > }
+    \__kernel_backend_scope_begin:n
+      {
+        transform =
+          "
+            translate ( { ?x } , { ?y } ) ~
+            scale ( 1 , -1 )
+          "
+      }
+    \__kernel_backend_scope_begin:x
+      {
+        clip-path =
+          "url ( \c_hash_str l3cp \int_use:N \g__box_clip_path_int ) "
+      }
+    \__kernel_backend_scope_begin:n
+      {
+        transform =
+          "
+            scale ( -1 , 1 ) ~
+            translate ( { ?x } , { ?y } ) ~
+            scale ( -1 , -1 )
+          "
+      }
+    \box_use:N #1
+    \__kernel_backend_scope_end:
+    \__kernel_backend_scope_end:
+    \__kernel_backend_scope_end:
+  }
+\int_new:N \g__box_clip_path_int
+\cs_new_protected:Npn \__box_backend_rotate:Nn #1#2
+  {
+    \__kernel_backend_scope_begin:x
+      {
+        transform =
+          "
+            rotate
+            ( \fp_eval:n { round ( -(#2) , 5 ) } , ~ { ?x } , ~ { ?y } )
+          "
+      }
+    \box_use:N #1
+    \__kernel_backend_scope_end:
+  }
+\cs_new_protected:Npn \__box_backend_scale:Nnn #1#2#3
+  {
+    \__kernel_backend_scope_begin:x
+      {
+        transform =
+          "
+            translate ( { ?x } , { ?y } ) ~
+            scale
+              (
+                \fp_eval:n { round ( -#2 , 5 ) } ,
+                \fp_eval:n { round ( -#3 , 5 ) }
+              ) ~
+            translate ( { ?x } , { ?y } ) ~
+            scale ( -1 )
+          "
+      }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+  }
+%% File: l3backend-draw.dtx
+\cs_new_eq:NN \__draw_backend_literal:n \__kernel_backend_literal_svg:n
+\cs_generate_variant:Nn \__draw_backend_literal:n { x }
+\cs_new_protected:Npn \__draw_backend_begin:
+  {
+    \__draw_backend_scope_begin:
+    \__draw_backend_scope:n { transform="translate({?x},{?y})~scale(1,-1)" }
+  }
+\cs_new_protected:Npn \__draw_backend_end:
+  { \__draw_backend_scope_end: }
+\cs_new_protected:Npn \__draw_backend_scope_begin:
+  {
+    \int_set_eq:NN
+      \l__draw_draw_scope_int
+      \g__draw_draw_scope_int
+    \group_begin:
+      \int_gzero:N \g__draw_draw_scope_int
+  }
+\cs_new_protected:Npn \__draw_backend_scope_end:
+  {
+      \prg_replicate:nn
+        { \g__draw_draw_scope_int }
+        { \__draw_backend_literal:n { </g> } }
+    \group_end:
+    \int_gset_eq:NN
+      \g__draw_draw_scope_int
+      \l__draw_draw_scope_int
+  }
+\cs_new_protected:Npn \__draw_backend_scope:n #1
+  {
+    \__draw_backend_literal:n { <g~ #1 > }
+    \int_gincr:N \g__draw_draw_scope_int
+  }
+\cs_generate_variant:Nn \__draw_backend_scope:n { x }
+\int_new:N \g__draw_draw_scope_int
+\int_new:N \l__draw_draw_scope_int
+\cs_new_protected:Npn \__draw_backend_moveto:nn #1#2
+  {
+    \__draw_backend_add_to_path:n
+      { M ~ \dim_to_decimal:n {#1} ~ \dim_to_decimal:n {#2} }
+  }
+\cs_new_protected:Npn \__draw_backend_lineto:nn #1#2
+  {
+    \__draw_backend_add_to_path:n
+      { L ~ \dim_to_decimal:n {#1} ~ \dim_to_decimal:n {#2} }
+  }
+\cs_new_protected:Npn \__draw_backend_rectangle:nnnn #1#2#3#4
+  {
+    \__draw_backend_add_to_path:n
+      {
+        M ~ \dim_to_decimal:n {#1} ~ \dim_to_decimal:n {#2}
+        h ~ \dim_to_decimal:n {#3} ~
+        v ~ \dim_to_decimal:n {#4} ~
+        h ~ \dim_to_decimal:n { -#3 } ~
+        Z
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_curveto:nnnnnn #1#2#3#4#5#6
+  {
+    \__draw_backend_add_to_path:n
+      {
+        C ~
+        \dim_to_decimal:n {#1} ~ \dim_to_decimal:n {#2} ~
+        \dim_to_decimal:n {#3} ~ \dim_to_decimal:n {#4} ~
+        \dim_to_decimal:n {#5} ~ \dim_to_decimal:n {#6}
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_add_to_path:n #1
+  {
+    \tl_gset:Nx \g__draw_draw_path_tl
+      {
+        \g__draw_draw_path_tl
+        \tl_if_empty:NF \g__draw_draw_path_tl { \c_space_tl }
+        #1
+      }
+  }
+\tl_new:N \g__draw_draw_path_tl
+\cs_new_protected:Npn \__draw_backend_evenodd_rule:
+  { \__draw_backend_scope:n { fill-rule="evenodd" } }
+\cs_new_protected:Npn \__draw_backend_nonzero_rule:
+  { \__draw_backend_scope:n { fill-rule="nonzero" } }
+\cs_new_protected:Npn \__draw_backend_closepath:
+  { \__draw_backend_add_to_path:n { Z } }
+\cs_new_protected:Npn \__draw_backend_path:n #1
+  {
+    \bool_if:NTF \g__draw_draw_clip_bool
+      {
+        \int_gincr:N \g__draw_clip_path_int
+        \__draw_backend_literal:x
+          {
+            < clipPath~id = " l3cp \int_use:N \g__draw_clip_path_int " >
+              { ?nl }
+            <path~d=" \g__draw_draw_path_tl "/> { ?nl }
+            < /clipPath > { ? nl }
+            <
+              use~xlink:href =
+                "\c_hash_str l3path \int_use:N \g__draw_path_int " ~
+                #1
+            />
+          }
+        \__draw_backend_scope:x
+          {
+            clip-path =
+              "url( \c_hash_str l3cp \int_use:N \g__draw_clip_path_int)"
+          }
+      }
+      {
+        \__draw_backend_literal:x
+          { <path ~ d=" \g__draw_draw_path_tl " ~ #1 /> }
+      }
+    \tl_gclear:N \g__draw_draw_path_tl
+    \bool_gset_false:N \g__draw_draw_clip_bool
+  }
+\int_new:N \g__draw_path_int
+\cs_new_protected:Npn \__draw_backend_stroke:
+  { \__draw_backend_path:n { style="fill:none" } }
+\cs_new_protected:Npn \__draw_backend_closestroke:
+  {
+    \__draw_backend_closepath:
+    \__draw_backend_stroke:
+  }
+\cs_new_protected:Npn \__draw_backend_fill:
+  { \__draw_backend_path:n { style="stroke:none" } }
+\cs_new_protected:Npn \__draw_backend_fillstroke:
+  { \__draw_backend_path:n { } }
+\cs_new_protected:Npn \__draw_backend_clip:
+  { \bool_gset_true:N \g__draw_draw_clip_bool }
+\bool_new:N \g__draw_draw_clip_bool
+\cs_new_protected:Npn \__draw_backend_discardpath:
+  {
+    \bool_if:NT \g__draw_draw_clip_bool
+      {
+        \int_gincr:N \g__draw_clip_path_int
+        \__draw_backend_literal:x
+          {
+            < clipPath~id = " l3cp \int_use:N \g__draw_clip_path_int " >
+              { ?nl }
+            <path~d=" \g__draw_draw_path_tl "/> { ?nl }
+            < /clipPath >
+          }
+        \__draw_backend_scope:x
+          {
+            clip-path =
+              "url( \c_hash_str l3cp \int_use:N \g__draw_clip_path_int)"
+          }
+      }
+    \tl_gclear:N \g__draw_draw_path_tl
+    \bool_gset_false:N \g__draw_draw_clip_bool
+  }
+\cs_new_protected:Npn \__draw_backend_dash_pattern:nn #1#2
+  {
+    \use:x
+      {
+        \__draw_backend_dash_aux:nn
+          { \clist_map_function:nn {#1} \__draw_backend_dash:n }
+          { \dim_to_decimal:n {#2} }
+      }
+  }
+\cs_new:Npn \__draw_backend_dash:n #1
+  { , \dim_to_decimal_in_bp:n {#1} }
+\cs_new_protected:Npn \__draw_backend_dash_aux:nn #1#2
+  {
+    \__draw_backend_scope:x
+      {
+        stroke-dasharray =
+          "
+            \tl_if_empty:oTF { \use_none:n #1 }
+              { none }
+              { \use_none:n #1 }
+          " ~
+          stroke-offset=" #2 "
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_linewidth:n #1
+  { \__draw_backend_scope:x { stroke-width=" \dim_to_decimal:n {#1} " } }
+\cs_new_protected:Npn \__draw_backend_miterlimit:n #1
+  { \__draw_backend_scope:x { stroke-miterlimit=" \fp_eval:n {#1} " } }
+\cs_new_protected:Npn \__draw_backend_cap_butt:
+  { \__draw_backend_scope:n { stroke-linecap="butt" } }
+\cs_new_protected:Npn \__draw_backend_cap_round:
+  { \__draw_backend_scope:n { stroke-linecap="round" } }
+\cs_new_protected:Npn \__draw_backend_cap_rectangle:
+  { \__draw_backend_scope:n { stroke-linecap="square" } }
+\cs_new_protected:Npn \__draw_backend_join_miter:
+  { \__draw_backend_scope:n { stroke-linejoin="miter" } }
+\cs_new_protected:Npn \__draw_backend_join_round:
+  { \__draw_backend_scope:n { stroke-linejoin="round" } }
+\cs_new_protected:Npn \__draw_backend_join_bevel:
+  { \__draw_backend_scope:n { stroke-linejoin="bevel" } }
+\cs_new_protected:Npn \__draw_backend_color_fill_cmyk:nnnn #1#2#3#4
+  {
+    \use:x
+      {
+        \__draw_backend_color_fill:nnn
+          { \fp_eval:n { -100 * ( (#1) * ( 1 - (#4) ) - 1 ) } }
+          { \fp_eval:n { -100 * ( (#2) * ( 1 - (#4) ) + #4 - 1 ) } }
+          { \fp_eval:n { -100 * ( (#3) * ( 1 - (#4) ) + #4 - 1 ) } }
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_cmyk:nnnn #1#2#3#4
+  {
+    \__draw_backend_select:x
+      {
+        cmyk~
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4}
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_fill_gray:n #1
+  {
+    \use:x
+      {
+        \__draw_backend_color_gray_aux:n
+          { \fp_eval:n { 100 * (#1) } }
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_gray_aux:n #1
+  { \__draw_backend_color_fill:nnn {#1} {#1} {#1} }
+\cs_new_protected:Npn \__draw_backend_color_stroke_gray:n #1
+  { \__draw_backend_select:x { gray~ \fp_eval:n {#1} } }
+\cs_new_protected:Npn \__draw_backend_color_fill_rgb:nnn #1#2#3
+  {
+    \use:x
+      {
+        \__draw_backend_color_fill:nnn
+          { \fp_eval:n { 100 * (#1) } }
+          { \fp_eval:n { 100 * (#2) } }
+          { \fp_eval:n { 100 * (#3) } }
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_fill:nnn #1#2#3
+  {
+    \__draw_backend_scope:x
+      {
+        fill =
+         "
+           rgb
+             (
+               #1 \c_percent_str ,
+               #2 \c_percent_str ,
+               #3 \c_percent_str
+             )
+         "
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_rgb:nnn #1#2#3
+  {
+    \__draw_backend_select:x
+      { rgb~ \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} }
+  }
+\cs_new_protected:Npn \__draw_backend_cm:nnnn #1#2#3#4
+  {
+    \__draw_backend_scope:n
+      {
+       transform =
+         "
+           matrix
+             (
+               \fp_eval:n {#1} , \fp_eval:n {#2} ,
+               \fp_eval:n {#3} , \fp_eval:n {#4} ,
+               0pt , 0pt
+             )
+         "
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_box_use:Nnnnn #1#2#3#4#5#6#7
+  {
+    \__kernel_backend_scope_begin:
+    \__draw_backend_cm:nnnn {#2} {#3} {#4} {#5}
+    \__kernel_backend_literal_svg:n
+      {
+        < g~
+            stroke="none"~
+            transform="scale(-1,1)~translate({?x},{?y})~scale(-1,-1)"
+        >
+      }
+    \box_set_wd:Nn #1 { 0pt }
+    \box_set_ht:Nn #1 { 0pt }
+    \box_set_dp:Nn #1 { 0pt }
+    \box_use:N #1
+    \__kernel_backend_literal_svg:n { </g> }
+    \__kernel_backend_scope_end:
+  }
+%% File: l3backend-graphics.dtx
+\AtBeginDocument
+  {
+    \cs_new_eq:NN \__graphics_backend_getbb_png:n \graphics_extract_bb:n
+    \cs_new_eq:NN \__graphics_backend_getbb_jpg:n \graphics_extract_bb:n
+  }
+\cs_new_protected:Npn \__graphics_backend_include_png:n #1
+  {
+     \__kernel_backend_literal:x
+       {
+         dvisvgm:img~
+         \dim_to_decimal:n { \l_graphics_ury_dim } ~
+         \dim_to_decimal:n { \l_graphics_ury_dim } ~
+         \__graphics_backend_include_bitmap_quote:w #1 " #1 " \q_stop
+       }
+  }
+\cs_new_eq:NN \__graphics_backend_include_jpg:n \__graphics_backend_include_png:n
+\cs_new:Npn \__graphics_backend_include_bitmap_quote:w #1 " #2 " #3 \q_stop
+  { " #2 " }
+%% File: l3backend-pdf.dtx
+\box_new:N \l__pdf_internal_box
+\cs_new_protected:Npn \__pdf_backend_catalog_gput:nn #1#2 { }
+\cs_new_protected:Npn \__pdf_backend_info_gput:nn #1#2 { }
+\cs_new_protected:Npn \__pdf_backend_object_new:nn #1#2 { }
+\cs_new:Npn \__pdf_backend_object_ref:n #1 { }
+\cs_new_protected:Npn \__pdf_backend_object_write:nn #1#2 { }
+\cs_new_protected:Npn \__pdf_backend_object_write:nx #1#2 { }
+\cs_new_protected:Npn \__pdf_backend_object_now:nn #1#2 { }
+\cs_new_protected:Npn \__pdf_backend_object_now:nx #1#2 { }
+\cs_new:Npn \__pdf_backend_object_last: { }
+\cs_new_protected:Npn \__pdf_backend_compresslevel:n #1 { }
+\cs_new_protected:Npn \__pdf_backend_compress_objects:n #1 { }
+\cs_new_protected:Npn \__pdf_backend_version_major_gset:n #1 { }
+\cs_new_protected:Npn \__pdf_backend_version_minor_gset:n #1 { }
+\cs_new:Npn \__pdf_backend_version_major: { -1 }
+\cs_new:Npn \__pdf_backend_version_minor: { -1 }
+\cs_new_protected:Npn \__pdf_backend_bdc:nn #1#2 { }
+\cs_new_protected:Npn \__pdf_backend_emc: { }
+%% 
+%%
+%% End of file `l3backend-dvisvgm.def'.
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-pdfmode.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-pdfmode.def
new file mode 100644
index 00000000000..111678846c4
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-pdfmode.def
@@ -0,0 +1,752 @@
+%%
+%% This is file `l3backend-pdfmode.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% l3backend-basics.dtx  (with options: `package,pdfmode')
+%% l3backend-color.dtx  (with options: `package,pdfmode')
+%% l3backend-box.dtx  (with options: `package,pdfmode')
+%% l3backend-draw.dtx  (with options: `package,pdfmode')
+%% l3backend-graphics.dtx  (with options: `package,pdfmode')
+%% l3backend-pdf.dtx  (with options: `package,pdfmode')
+%% 
+%% Copyright (C) 1990-2019 The LaTeX3 Project
+%% 
+%% It may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License (LPPL), either version 1.3c of
+%% this license or (at your option) any later version.  The latest
+%% version of this license is in the file:
+%% 
+%%    https://www.latex-project.org/lppl.txt
+%% 
+%% This file is part of the "l3backend bundle" (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%% 
+%% File: l3backend-basics.dtx
+\ProvidesExplFile
+  {l3backend-pdfmode.def}{2019-04-06}{}
+  {L3 Experimental backend support: PDF mode}
+\cs_new_eq:NN \__kernel_backend_literal:e \tex_special:D
+\cs_new_protected:Npn \__kernel_backend_literal:n #1
+  { \__kernel_backend_literal:e { \exp_not:n {#1} } }
+\cs_generate_variant:Nn \__kernel_backend_literal:n { x }
+\cs_new_protected:Npx \__kernel_backend_literal_pdf:n #1
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D literal }
+      { \tex_pdfliteral:D }
+        { \exp_not:N \exp_not:n {#1} }
+  }
+\cs_generate_variant:Nn \__kernel_backend_literal_pdf:n { x }
+\cs_new_protected:Npx \__kernel_backend_literal_page:n #1
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D literal ~ }
+      { \tex_pdfliteral:D }
+        page
+        { \exp_not:N \exp_not:n {#1} }
+  }
+\cs_new_protected:Npx \__kernel_backend_scope_begin:
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D save \scan_stop: }
+      { \tex_pdfsave:D }
+  }
+\cs_new_protected:Npx \__kernel_backend_scope_end:
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D restore \scan_stop: }
+      { \tex_pdfrestore:D }
+  }
+\cs_new_protected:Npx \__kernel_backend_matrix:n #1
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D setmatrix }
+      { \tex_pdfsetmatrix:D }
+        { \exp_not:N \exp_not:n {#1} }
+  }
+\cs_generate_variant:Nn \__kernel_backend_matrix:n { x }
+%% File: l3backend-color.dtx
+\cs_new_protected:Npn \__color_backend_pickup:N #1 { }
+\AtBeginDocument
+  {
+    \@ifpackageloaded { color }
+      {
+        \cs_set_protected:Npn \__color_backend_pickup:N #1
+          {
+            \exp_last_unbraced:Nx \__color_backend_pickup:w
+              { \current@color } ~ 0 ~ 0 ~ 0 \q_stop #1
+          }
+        \cs_new_protected:Npn \__color_backend_pickup:w
+          #1 ~ #2 ~ #3 ~ #4 ~ #5 ~ #6 \q_stop #7
+          {
+            \str_if_eq:nnTF {#2} { g }
+              { \tl_set:Nn #7 { gray ~ #1 } }
+              {
+                \str_if_eq:nnTF {#4} { rg }
+                  { \tl_set:Nn #7 { rgb ~ #1 ~ #2 ~ #3 } }
+                  {
+                     \str_if_eq:nnTF {#5} { k }
+                       { \tl_set:Nn #7 { cmyk ~ #1 ~ #2 ~ #3 ~ #4 } }
+                       {
+                         \str_if_eq:nnTF {#2} { cs }
+                           {
+                             \tl_set:Nx #7 { spot ~ \use_none:n #1 ~ #5 }
+                           }
+                           {
+                             \tl_set:Nn #7 { gray ~ 0 }
+                           }
+                       }
+                  }
+              }
+          }
+      }
+      { }
+  }
+\int_new:N \l__kernel_color_stack_int
+\cs_new_protected:Npn \__color_backend_cmyk:nnnn #1#2#3#4
+  {
+     \use:x
+       {
+         \__color_backend_cmyk_aux:nnnn
+           { \fp_eval:n {#1} }
+           { \fp_eval:n {#2} }
+           { \fp_eval:n {#3} }
+           { \fp_eval:n {#4} }
+       }
+  }
+\cs_new_protected:Npn \__color_backend_cmyk_aux:nnnn #1#2#3#4
+  {
+    \__color_backend_select:n
+      { #1 ~ #2 ~ #3 ~ #4 ~ k ~ #1 ~ #2 ~ #3 ~ #4 ~ K }
+  }
+\cs_new_protected:Npn \__color_backend_gray:n #1
+  { \exp_args:Nx \__color_backend_gray_aux:n { \fp_eval:n {#1} } }
+\cs_new_protected:Npn \__color_backend_gray_aux:n #1
+  { \__color_backend_select:n { #1 ~ g ~ #1 ~ G } }
+\cs_new_protected:Npn \__color_backend_rgb:nnn #1#2#3
+  {
+     \use:x
+       {
+         \__color_backend_rgb_aux:nnn
+           { \fp_eval:n {#1} }
+           { \fp_eval:n {#2} }
+           { \fp_eval:n {#3} }
+       }
+  }
+\cs_new_protected:Npn \__color_backend_rgb_aux:nnn #1#2#3
+  { \__color_backend_select:n { #1 ~ #2 ~ #3 ~ rg ~ #1 ~ #2 ~ #3 ~ RG } }
+\cs_new_protected:Npn \__color_backend_spot:nn #1#2
+  { \__color_backend_select:n { /#1 ~ cs ~ /#1 ~ CS ~ #2 ~ sc ~ #2 ~ SC } }
+\cs_new_protected:Npx \__color_backend_select:n #1
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D colorstack }
+      { \tex_pdfcolorstack:D }
+        \exp_not:N \l__kernel_color_stack_int push {#1}
+      \group_insert_after:N \exp_not:N \__color_backend_reset:
+  }
+\cs_generate_variant:Nn \__color_backend_select:n { x }
+\cs_new_protected:Npx \__color_backend_reset:
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D colorstack }
+      { \tex_pdfcolorstack:D }
+        \exp_not:N \l__kernel_color_stack_int pop \scan_stop:
+  }
+%% File: l3backend-box.dtx
+\cs_new_protected:Npn \__box_backend_clip:N #1
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_literal_pdf:x
+      {
+        0~
+        \dim_to_decimal_in_bp:n { -\box_dp:N #1 } ~
+        \dim_to_decimal_in_bp:n { \box_wd:N #1 } ~
+        \dim_to_decimal_in_bp:n { \box_ht:N #1 + \box_dp:N #1 } ~
+        re~W~n
+      }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+    \skip_horizontal:n { \box_wd:N #1 }
+  }
+\cs_new_protected:Npn \__box_backend_rotate:Nn #1#2
+  { \exp_args:NNf \__box_backend_rotate_aux:Nn #1 { \fp_eval:n {#2} } }
+\cs_new_protected:Npn \__box_backend_rotate_aux:Nn #1#2
+  {
+    \__kernel_backend_scope_begin:
+    \box_set_wd:Nn #1 { 0pt }
+    \fp_set:Nn \l__box_backend_cos_fp { round ( cosd ( #2 ) , 5 ) }
+    \fp_compare:nNnT \l__box_backend_cos_fp = \c_zero_fp
+      { \fp_zero:N \l__box_backend_cos_fp }
+    \fp_set:Nn \l__box_backend_sin_fp { round ( sind ( #2 ) , 5 ) }
+    \__kernel_backend_matrix:x
+      {
+        \fp_use:N \l__box_backend_cos_fp \c_space_tl
+        \fp_compare:nNnTF \l__box_backend_sin_fp = \c_zero_fp
+          { 0~0 }
+          {
+            \fp_use:N \l__box_backend_sin_fp
+            \c_space_tl
+            \fp_eval:n { -\l__box_backend_sin_fp }
+          }
+        \c_space_tl
+        \fp_use:N \l__box_backend_cos_fp
+      }
+   \box_use:N #1
+   \__kernel_backend_scope_end:
+  }
+\fp_new:N \l__box_backend_cos_fp
+\fp_new:N \l__box_backend_sin_fp
+\cs_new_protected:Npn \__box_backend_scale:Nnn #1#2#3
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_matrix:x
+      {
+        \fp_eval:n { round ( #2 , 5 ) } ~
+        0~0~
+        \fp_eval:n { round ( #3 , 5 ) }
+      }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+  }
+%% File: l3backend-draw.dtx
+\cs_new_eq:NN \__draw_backend_literal:n \__kernel_backend_literal_pdf:n
+\cs_generate_variant:Nn \__draw_backend_literal:n { x }
+\cs_new_protected:Npn \__draw_backend_begin:
+  { \__draw_backend_scope_begin: }
+\cs_new_protected:Npn \__draw_backend_end:
+  { \__draw_backend_scope_end: }
+\cs_new_eq:NN \__draw_backend_scope_begin: \__kernel_backend_scope_begin:
+\cs_new_eq:NN \__draw_backend_scope_end: \__kernel_backend_scope_end:
+\cs_new_protected:Npn \__draw_backend_moveto:nn #1#2
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~ m }
+  }
+\cs_new_protected:Npn \__draw_backend_lineto:nn #1#2
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~ l }
+  }
+\cs_new_protected:Npn \__draw_backend_curveto:nnnnnn #1#2#3#4#5#6
+  {
+    \__draw_backend_literal:x
+      {
+        \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
+        \dim_to_decimal_in_bp:n {#3} ~ \dim_to_decimal_in_bp:n {#4} ~
+        \dim_to_decimal_in_bp:n {#5} ~ \dim_to_decimal_in_bp:n {#6} ~
+        c
+      }
+ }
+\cs_new_protected:Npn \__draw_backend_rectangle:nnnn #1#2#3#4
+  {
+     \__draw_backend_literal:x
+      {
+        \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
+        \dim_to_decimal_in_bp:n {#3} ~ \dim_to_decimal_in_bp:n {#4} ~
+        re
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_evenodd_rule:
+  { \bool_gset_true:N \g__draw_draw_eor_bool }
+\cs_new_protected:Npn \__draw_backend_nonzero_rule:
+  { \bool_gset_false:N \g__draw_draw_eor_bool }
+\bool_new:N \g__draw_draw_eor_bool
+\cs_new_protected:Npn \__draw_backend_closepath:
+  { \__draw_backend_literal:n { h } }
+\cs_new_protected:Npn \__draw_backend_stroke:
+  { \__draw_backend_literal:n { S } }
+\cs_new_protected:Npn \__draw_backend_closestroke:
+  { \__draw_backend_literal:n { s } }
+\cs_new_protected:Npn \__draw_backend_fill:
+  {
+    \__draw_backend_literal:x
+      { f \bool_if:NT \g__draw_draw_eor_bool * }
+  }
+\cs_new_protected:Npn \__draw_backend_fillstroke:
+  {
+    \__draw_backend_literal:x
+      { B \bool_if:NT \g__draw_draw_eor_bool * }
+  }
+\cs_new_protected:Npn \__draw_backend_clip:
+  {
+    \__draw_backend_literal:x
+      { W \bool_if:NT \g__draw_draw_eor_bool * }
+  }
+\cs_new_protected:Npn \__draw_backend_discardpath:
+  { \__draw_backend_literal:n { n } }
+\cs_new_protected:Npn \__draw_backend_dash_pattern:nn #1#2
+  {
+    \__draw_backend_literal:x
+      {
+        [
+          \exp_args:Nf \use:n
+            { \clist_map_function:nN {#1} \__draw_backend_dash:n }
+        ] ~
+        \dim_to_decimal_in_bp:n {#2} ~ d
+      }
+  }
+\cs_new:Npn \__draw_backend_dash:n #1
+  { ~ \dim_to_decimal_in_bp:n {#1} }
+\cs_new_protected:Npn \__draw_backend_linewidth:n #1
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ w }
+  }
+\cs_new_protected:Npn \__draw_backend_miterlimit:n #1
+  { \__draw_backend_literal:x { \fp_eval:n {#1} ~ M } }
+\cs_new_protected:Npn \__draw_backend_cap_butt:
+  { \__draw_backend_literal:n { 0 ~ J } }
+\cs_new_protected:Npn \__draw_backend_cap_round:
+  { \__draw_backend_literal:n { 1 ~ J } }
+\cs_new_protected:Npn \__draw_backend_cap_rectangle:
+  { \__draw_backend_literal:n { 2 ~ J } }
+\cs_new_protected:Npn \__draw_backend_join_miter:
+  { \__draw_backend_literal:n { 0 ~ j } }
+\cs_new_protected:Npn \__draw_backend_join_round:
+  { \__draw_backend_literal:n { 1 ~ j } }
+\cs_new_protected:Npn \__draw_backend_join_bevel:
+  { \__draw_backend_literal:n { 2 ~ j } }
+\cs_new_protected:Npn \__draw_backend_color_fill_cmyk:nnnn #1#2#3#4
+  {
+    \__draw_backend_color_select:x
+      {
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
+        k
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_cmyk:nnnn #1#2#3#4
+  {
+    \__draw_backend_color_select:x
+      {
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
+        k
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_fill_gray:n #1
+  { \__draw_backend_color_select:x { \fp_eval:n {#1} ~ g } }
+\cs_new_protected:Npn \__draw_backend_color_stroke_gray:n #1
+  { \__draw_backend_color_select:x { \fp_eval:n {#1} ~ G } }
+\cs_new_protected:Npn \__draw_backend_color_fill_rgb:nnn #1#2#3
+  {
+    \__draw_backend_color_select:x
+      { \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} ~ rg }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_rgb:nnn #1#2#3
+  {
+    \__draw_backend_color_select:x
+      { \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} ~ RG }
+  }
+\cs_new_protected:Npx \__draw_backend_color_select:n #1
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D colorstack }
+      { \tex_pdfcolorstack:D }
+        \exp_not:N \l__kernel_color_stack_int push {#1}
+      \group_insert_after:N \exp_not:N \__draw_backend_color_reset:
+  }
+\cs_new_protected:Npx \__draw_backend_color_reset:
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D colorstack }
+      { \tex_pdfcolorstack:D }
+        \exp_not:N \l__kernel_color_stack_int pop \scan_stop:
+  }
+\cs_generate_variant:Nn \__draw_backend_color_select:n { x }
+\cs_new_protected:Npn \__draw_backend_cm:nnnn #1#2#3#4
+  {
+    \__kernel_backend_matrix:x
+      {
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4}
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_box_use:Nnnnn #1#2#3#4#5
+  {
+    \__kernel_backend_scope_begin:
+    \__draw_backend_cm:nnnn {#2} {#3} {#4} {#5}
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+  }
+%% File: l3backend-graphics.dtx
+\tl_new:N \l__graphics_graphics_attr_tl
+\cs_new_protected:Npn \__graphics_backend_getbb_jpg:n #1
+  {
+    \int_zero:N \l_graphics_page_int
+    \tl_clear:N \l_graphics_pagebox_tl
+    \tl_set:Nx \l__graphics_graphics_attr_tl
+      {
+        \tl_if_empty:NF \l_graphics_decodearray_tl
+          { :D \l_graphics_decodearray_tl }
+        \bool_if:NT \l_graphics_interpolate_bool
+          { :I }
+      }
+    \tl_clear:N \l__graphics_graphics_attr_tl
+    \__graphics_backend_getbb_auxi:n {#1}
+  }
+\cs_new_eq:NN \__graphics_backend_getbb_png:n \__graphics_backend_getbb_jpg:n
+\cs_new_protected:Npn \__graphics_backend_getbb_pdf:n #1
+  {
+    \tl_clear:N \l_graphics_decodearray_tl
+    \bool_set_false:N \l_graphics_interpolate_bool
+    \tl_set:Nx \l__graphics_graphics_attr_tl
+      {
+        : \l_graphics_pagebox_tl
+        \int_compare:nNnT \l_graphics_page_int > 1
+          { :P \int_use:N \l_graphics_page_int }
+      }
+    \__graphics_backend_getbb_auxi:n {#1}
+  }
+\cs_new_protected:Npn \__graphics_backend_getbb_auxi:n #1
+  {
+    \graphics_bb_restore:xF { #1 \l__graphics_graphics_attr_tl }
+      { \__graphics_backend_getbb_auxii:n {#1} }
+  }
+\cs_new_protected:Npn \__graphics_backend_getbb_auxii:n #1
+  {
+    \tex_immediate:D \tex_pdfximage:D
+      \bool_lazy_or:nnT
+        { \l_graphics_interpolate_bool }
+        { ! \tl_if_empty_p:N \l_graphics_decodearray_tl }
+        {
+          attr ~
+            {
+              \tl_if_empty:NF \l_graphics_decodearray_tl
+                { /Decode~[ \l_graphics_decodearray_tl ] }
+              \bool_if:NT \l_graphics_interpolate_bool
+                { /Interpolate~true }
+            }
+        }
+      \int_compare:nNnT \l_graphics_page_int > 0
+        { page ~ \int_use:N \l_graphics_page_int }
+      \tl_if_empty:NF \l_graphics_pagebox_tl
+        { \l_graphics_pagebox_tl }
+      {#1}
+    \hbox_set:Nn \l__graphics_internal_box
+      { \tex_pdfrefximage:D \tex_pdflastximage:D }
+    \dim_set:Nn \l_graphics_urx_dim { \box_wd:N \l__graphics_internal_box }
+    \dim_set:Nn \l_graphics_ury_dim { \box_ht:N \l__graphics_internal_box }
+    \int_const:cn { c__graphics_graphics_ #1 \l__graphics_graphics_attr_tl _int }
+      { \tex_the:D \tex_pdflastximage:D }
+    \graphics_bb_save:x { #1 \l__graphics_graphics_attr_tl }
+  }
+\cs_new_protected:Npn \__graphics_backend_include_jpg:n #1
+  {
+    \tex_pdfrefximage:D
+      \int_use:c { c__graphics_graphics_ #1 \l__graphics_graphics_attr_tl _int }
+  }
+\cs_new_eq:NN \__graphics_backend_include_pdf:n \__graphics_backend_include_jpg:n
+\cs_new_eq:NN \__graphics_backend_include_png:n \__graphics_backend_include_jpg:n
+\sys_if_shell:T
+  {
+    \str_new:N \l__graphics_backend_dir_str
+    \str_new:N \l__graphics_backend_name_str
+    \str_new:N \l__graphics_backend_ext_str
+    \cs_new_protected:Npn \__graphics_backend_getbb_eps:n #1
+      {
+        \file_parse_full_name:nNNN {#1}
+          \l__graphics_backend_dir_str
+          \l__graphics_backend_name_str
+          \l__graphics_backend_ext_str
+        \exp_args:Nx \__graphics_backend_getbb_eps:nn
+          {
+            \l__graphics_backend_name_str - \str_tail:N \l__graphics_backend_ext_str
+            -converted-to.pdf
+          }
+          {#1}
+     }
+    \cs_new_protected:Npn \__graphics_backend_getbb_eps:nn #1#2
+      {
+        \file_compare_timestamp:nNnT {#2} > {#1}
+          {
+            \sys_shell_now:n
+              { repstopdf ~ #2 ~ #1 }
+          }
+        \tl_set:Nn \l_graphics_name_tl {#1}
+        \__graphics_backend_getbb_pdf:n {#1}
+      }
+    \cs_new_protected:Npn \__graphics_backend_include_eps:n #1
+      {
+        \file_parse_full_name:nNNN {#1}
+          \l__graphics_backend_dir_str \l__graphics_backend_name_str \l__graphics_backend_ext_str
+        \exp_args:Nx \__graphics_backend_include_pdf:n
+          {
+            \l__graphics_backend_name_str - \str_tail:N \l__graphics_backend_ext_str
+            -converted-to.pdf
+          }
+      }
+  }
+%% File: l3backend-pdf.dtx
+\box_new:N \l__pdf_internal_box
+\cs_new_protected:Npx \__pdf_backend_annotation:nnnn #1#2#3#4
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D annot ~ }
+      { \tex_pdfannot:D }
+      width  ~ \exp_not:N \dim_eval:n {#1} ~
+      height ~ \exp_not:N \dim_eval:n {#2} ~
+      depth  ~ \exp_not:N \dim_eval:n {#3} ~
+      {#4}
+  }
+\cs_new:Npx \__pdf_backend_annotation_last:
+  {
+    \exp_not:N \int_value:w
+    \cs_if_exist:NTF \tex_pdffeedback:D
+      { \exp_not:N \tex_pdffeedback:D lastannot ~ }
+      { \exp_not:N \tex_pdflastannot:D }
+      \c_space_tl 0 ~ R
+  }
+\cs_new_protected:Npn \__pdf_backend_link_begin_goto:nnw #1#2
+  { \__pdf_backend_link_begin:nnnw {#1} { goto~name } {#2} }
+\cs_new_protected:Npn \__pdf_backend_link_begin_user:nnw #1#2
+  { \__pdf_backend_link_begin:nnnw {#1} { user } {#2} }
+\cs_new_protected:Npx \__pdf_backend_link_begin:nnnw #1#2#3
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D startlink ~ }
+      { \tex_pdfstartlink:D }
+        attr {#1}
+        #2 {#3}
+  }
+\cs_new_protected:Npx \__pdf_backend_link_end:
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D endlink \scan_stop: }
+      { \tex_pdfendlink:D }
+  }
+\cs_new:Npx \__pdf_backend_link_last:
+  {
+    \exp_not:N \int_value:w
+    \cs_if_exist:NTF \tex_pdffeedback:D
+      { \exp_not:N \tex_pdffeedback:D lastlink ~ }
+      { \exp_not:N \tex_pdflastlink:D }
+      \c_space_tl 0 ~ R
+  }
+\cs_new_protected:Npx \__pdf_backend_link_margin:n #1
+  {
+    \cs_if_exist:NTF \tex_pdfvariable:D
+      { \exp_not:N \tex_pdfvariable:D linkmargin }
+      { \exp_not:N \tex_pdflinkmargin:D }
+        \exp_not:N \dim_eval:n {#1} \scan_stop:
+  }
+\cs_new_protected:Npx \__pdf_backend_destination:nn #1#2
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \exp_not:N \tex_pdfextension:D dest ~ }
+      { \exp_not:N \tex_pdfdest:D }
+        name {#1}
+        \exp_not:N \str_case:nnF {#2}
+          {
+            { xyz }   { xyz }
+            { fit }   { fit }
+            { fitb }  { fitb }
+            { fitbh } { fitbh }
+            { fitbv } { fitbv }
+            { fith }  { fith }
+            { fitv }  { fitv }
+          }
+          { xyz ~ zoom \exp_not:N \fp_eval:n { #2 * 10 } }
+        \scan_stop:
+  }
+\cs_new_protected:Npx \__pdf_backend_destination_rectangle:nn #1#2
+  {
+    \group_begin:
+      \hbox_set:Nn \l__pdf_internal_box {#2}
+     \cs_if_exist:NTF \tex_pdfextension:D
+      { \exp_not:N \tex_pdfextension:D dest ~ }
+      { \exp_not:N \tex_pdfdest:D }
+      name {#1}
+      fitr ~
+        width  \exp_not:N \box_wd:N \l__pdf_internal_box
+        height \exp_not:N \box_ht:N \l__pdf_internal_box
+        depth  \exp_not:N \box_dp:N \l__pdf_internal_box
+      \box_use:N \l__pdf_internal_box
+    \group_end:
+  }
+\cs_new_protected:Npx \__pdf_backend_catalog_gput:nn #1#2
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D catalog }
+      { \tex_pdfcatalog:D }
+        { / #1 ~ #2 }
+  }
+\cs_new_protected:Npx \__pdf_backend_info_gput:nn #1#2
+  {
+    \cs_if_exist:NTF \tex_pdfextension:D
+      { \tex_pdfextension:D info }
+      { \tex_pdfinfo:D }
+        { / #1 ~ #2 }
+  }
+\prop_new:N \g__pdf_backend_object_prop
+\group_begin:
+  \cs_set_protected:Npn \__pdf_tmp:w #1#2
+    {
+      \cs_new_protected:Npx \__pdf_backend_object_new:nn ##1##2
+        {
+          #1 reserveobjnum ~
+          \int_const:cn
+            { c__pdf_backend_object_ \exp_not:N \tl_to_str:n {##1} _int }
+            {#2}
+          \prop_gput:Nnn \exp_not:N \g__pdf_backend_object_prop {##1} {##2}
+        }
+    }
+  \cs_if_exist:NTF \tex_pdfextension:D
+    {
+      \__pdf_tmp:w
+        { \tex_pdfextension:D obj ~ }
+        { \exp_not:N \tex_pdffeedback:D lastobj }
+    }
+    { \__pdf_tmp:w { \tex_pdfobj:D } { \tex_pdflastobj:D } }
+\group_end:
+\cs_new:Npn \__pdf_backend_object_ref:n #1
+  { \int_use:c { c__pdf_backend_object_ \tl_to_str:n {#1} _int } ~ 0 ~ R }
+\group_begin:
+  \cs_set_protected:Npn \__pdf_tmp:w #1
+    {
+      \cs_new_protected:Npn \__pdf_backend_object_write:nn ##1##2
+        {
+          \tex_immediate:D #1 useobjnum ~
+          \int_use:c
+            { c__pdf_backend_object_ \tl_to_str:n {##1} _int }
+            \str_case_e:nn
+              { \prop_item:Nn \g__pdf_backend_object_prop {##1} }
+              {
+                { array } { { [ ~ \exp_not:n {##2} ~ ] } }
+                { dict }  { { << ~ \exp_not:n {##2} ~ >> } }
+                { fstream }
+                  {
+                    stream ~ attr ~ { \__pdf_exp_not_i:nn ##2 } ~
+                      file ~ { \__pdf_exp_not_ii:nn ##2 }
+                  }
+                { stream }
+                  {
+                    stream ~ attr ~ { \__pdf_exp_not_i:nn ##2 } ~
+                      { \__pdf_exp_not_ii:nn ##2 }
+                  }
+              }
+        }
+    }
+  \cs_if_exist:NTF \tex_pdfextension:D
+    { \__pdf_tmp:w { \tex_pdfextension:D obj ~ } }
+    { \__pdf_tmp:w { \tex_pdfobj:D } }
+\group_end:
+\cs_generate_variant:Nn \__pdf_backend_object_write:nn { nx }
+\cs_new:Npn \__pdf_exp_not_i:nn #1#2 { \exp_not:n {#1} }
+\cs_new:Npn \__pdf_exp_not_ii:nn #1#2 { \exp_not:n {#2} }
+\group_begin:
+  \cs_set_protected:Npn \__pdf_tmp:w #1
+    {
+      \cs_new_protected:Npn \__pdf_backend_object_now:nn ##1##2
+        {
+          \tex_immediate:D #1
+            \str_case:nn
+              {##1}
+              {
+                { array } { { [ ~ \exp_not:n {##2} ~ ] } }
+                { dict }  { { << ~ \exp_not:n {##2} ~ >> } }
+                { fstream }
+                  {
+                    stream ~ attr ~ { \__pdf_exp_not_i:nn ##2 } ~
+                      file ~ { \__pdf_exp_not_ii:nn ##2 }
+                  }
+                { stream }
+                  {
+                    stream ~ attr ~ { \__pdf_exp_not_i:nn ##2 } ~
+                      { \__pdf_exp_not_ii:nn ##2 }
+                  }
+              }
+        }
+    }
+  \cs_if_exist:NTF \tex_pdfextension:D
+    { \__pdf_tmp:w { \tex_pdfextension:D obj ~ } }
+    { \__pdf_tmp:w { \tex_pdfobj:D } }
+\group_end:
+\cs_generate_variant:Nn \__pdf_backend_object_now:nn { nx }
+\cs_new:Npx \__pdf_backend_object_last:
+  {
+    \exp_not:N \int_value:w
+    \cs_if_exist:NTF \tex_pdffeedback:D
+      { \exp_not:N \tex_pdffeedback:D lastobj ~ }
+      { \exp_not:N \tex_pdflastobj:D }
+      \c_space_tl 0 ~ R
+  }
+\cs_new_protected:Npx \__pdf_backend_compresslevel:n #1
+  {
+    \exp_not:N \tex_global:D
+    \cs_if_exist:NTF \tex_pdfcompresslevel:D
+      { \tex_pdfcompresslevel:D }
+      { \tex_pdfvariable:D compresslevel }
+      \exp_not:N \int_value:w \exp_not:N \int_eval:n {#1} \scan_stop:
+  }
+\cs_new_protected:Npn \__pdf_backend_compress_objects:n #1
+  {
+    \bool_if:nTF {#1}
+      { \__pdf_backend_objcompresslevel:n { 2 } }
+      { \__pdf_backend_objcompresslevel:n { 0 } }
+  }
+\cs_new_protected:Npx \__pdf_backend_objcompresslevel:n #1
+  {
+    \exp_not:N \tex_global:D
+    \cs_if_exist:NTF \tex_pdfobjcompresslevel:D
+      { \tex_pdfobjcompresslevel:D }
+      { \tex_pdfvariable:D objcompresslevel }
+      #1 \scan_stop:
+  }
+\cs_new_protected:Npx \__pdf_backend_version_major_gset:n #1
+  {
+    \cs_if_exist:NTF \tex_pdfvariable:D
+      {
+        \int_compare:nNnT \tex_luatexversion:D > { 106 }
+          {
+            \exp_not:N \tex_global:D \tex_pdfvariable:D majorversion
+              \exp_not:N \int_eval:n {#1} \scan_stop:
+          }
+      }
+      {
+        \cs_if_exist:NT \tex_pdfmajorversion:D
+          {
+            \exp_not:N \tex_global:D \tex_pdfmajorversion:D
+              \exp_not:N \int_eval:n {#1} \scan_stop:
+          }
+      }
+  }
+\cs_new_protected:Npx \__pdf_backend_version_minor_gset:n #1
+  {
+    \exp_not:N \tex_global:D
+    \cs_if_exist:NTF \tex_pdfminorversion:D
+      { \exp_not:N \tex_pdfminorversion:D }
+      { \tex_pdfvariable:D minorversion }
+        \exp_not:N \int_eval:n {#1} \scan_stop:
+  }
+\cs_new:Npx \__pdf_backend_version_major:
+  {
+    \cs_if_exist:NTF \tex_pdfvariable:D
+      {
+        \int_compare:nNnTF \tex_luatexversion:D > { 106 }
+          { \exp_not:N \tex_the:D \tex_pdfvariable:D majorversion }
+          { 1 }
+      }
+      {
+        \cs_if_exist:NTF \tex_pdfmajorversion:D
+          { \exp_not:N \tex_the:D \tex_pdfmajorversion:D }
+          { 1 }
+      }
+  }
+\cs_new:Npx \__pdf_backend_version_minor:
+  {
+    \exp_not:N \tex_the:D
+    \cs_if_exist:NTF \tex_pdfminorversion:D
+      { \exp_not:N \tex_pdfminorversion:D }
+      { \tex_pdfvariable:D minorversion }
+  }
+\cs_new_protected:Npn \__pdf_backend_bdc:nn #1#2
+  { \__kernel_backend_literal_page:n { /#1 ~ #2 ~ BDC } }
+\cs_new_protected:Npn \__pdf_backend_emc:
+  { \__kernel_backend_literal_page:n { EMC } }
+%% 
+%%
+%% End of file `l3backend-pdfmode.def'.
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-xdvipdfmx.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-xdvipdfmx.def
new file mode 100644
index 00000000000..2a4fee00222
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-xdvipdfmx.def
@@ -0,0 +1,694 @@
+%%
+%% This is file `l3backend-xdvipdfmx.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% l3backend-basics.dtx  (with options: `package,xdvipdfmx')
+%% l3backend-color.dtx  (with options: `package,xdvipdfmx')
+%% l3backend-box.dtx  (with options: `package,xdvipdfmx')
+%% l3backend-draw.dtx  (with options: `package,xdvipdfmx')
+%% l3backend-graphics.dtx  (with options: `package,xdvipdfmx')
+%% l3backend-pdf.dtx  (with options: `package,xdvipdfmx')
+%% 
+%% Copyright (C) 1990-2019 The LaTeX3 Project
+%% 
+%% It may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License (LPPL), either version 1.3c of
+%% this license or (at your option) any later version.  The latest
+%% version of this license is in the file:
+%% 
+%%    https://www.latex-project.org/lppl.txt
+%% 
+%% This file is part of the "l3backend bundle" (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%% 
+%% File: l3backend-basics.dtx
+\ProvidesExplFile
+  {l3backend-xdvipdfmx.def}{2019-04-06}{}
+  {L3 Experimental backend support: xdvipdfmx}
+\cs_new_eq:NN \__kernel_backend_literal:e \tex_special:D
+\cs_new_protected:Npn \__kernel_backend_literal:n #1
+  { \__kernel_backend_literal:e { \exp_not:n {#1} } }
+\cs_generate_variant:Nn \__kernel_backend_literal:n { x }
+\cs_new_protected:Npn \__kernel_backend_literal_pdf:n #1
+  { \__kernel_backend_literal:n { pdf:literal~ #1 } }
+\cs_generate_variant:Nn \__kernel_backend_literal_pdf:n { x }
+\cs_new_protected:Npn \__kernel_backend_literal_page:n #1
+  { \__kernel_backend_literal:n { pdf:literal~direct~ #1 } }
+\cs_new_protected:Npn \__kernel_backend_scope_begin:
+  { \__kernel_backend_literal:n { x:gsave } }
+\cs_new_protected:Npn \__kernel_backend_scope_end:
+  { \__kernel_backend_literal:n { x:grestore } }
+%% File: l3backend-color.dtx
+\cs_new_protected:Npn \__color_backend_pickup:N #1 { }
+\AtBeginDocument
+  {
+    \@ifpackageloaded { color }
+      {
+        \cs_set_protected:Npn \__color_backend_pickup:N #1
+          {
+            \exp_args:NV \tl_if_head_is_space:nTF \current@color
+              {
+                \tl_set:Nx #1
+                   {
+                     spot ~
+                     \exp_after:wN \use:n \current@color \c_space_tl 1
+                   }
+              }
+              {
+                \exp_last_unbraced:Nx \__color_backend_pickup:w
+                  { \current@color } \q_stop #1
+              }
+          }
+        \cs_new_protected:Npn \__color_backend_pickup:w #1 ~ #2 \q_stop #3
+          { \tl_set:Nn #3 { #1 ~ #2 } }
+      }
+      { }
+  }
+\cs_new_protected:Npn \__color_backend_cmyk:nnnn #1#2#3#4
+  {
+    \__color_backend_select:x
+      {
+        cmyk~
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4}
+      }
+  }
+\cs_new_protected:Npn \__color_backend_gray:n #1
+  { \__color_backend_select:x { gray~ \fp_eval:n {#1} } }
+\cs_new_protected:Npn \__color_backend_rgb:nnn #1#2#3
+  {
+    \__color_backend_select:x
+      { rgb~ \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} }
+  }
+\cs_new_protected:Npn \__color_backend_spot:nn #1#2
+  { \__color_backend_select:n { #1 } }
+\cs_new_protected:Npn \__color_backend_select:n #1
+  {
+    \__kernel_backend_literal:n { color~push~ #1 }
+    \group_insert_after:N \__color_backend_reset:
+  }
+\cs_generate_variant:Nn \__color_backend_select:n { x }
+\cs_new_protected:Npn \__color_backend_reset:
+  { \__kernel_backend_literal:n { color~pop } }
+%% File: l3backend-box.dtx
+\cs_new_protected:Npn \__box_backend_clip:N #1
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_literal_pdf:x
+      {
+        0~
+        \dim_to_decimal_in_bp:n { -\box_dp:N #1 } ~
+        \dim_to_decimal_in_bp:n { \box_wd:N #1 } ~
+        \dim_to_decimal_in_bp:n { \box_ht:N #1 + \box_dp:N #1 } ~
+        re~W~n
+      }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+    \skip_horizontal:n { \box_wd:N #1 }
+  }
+\cs_new_protected:Npn \__box_backend_rotate:Nn #1#2
+  { \exp_args:NNf \__box_backend_rotate_aux:Nn #1 { \fp_eval:n {#2} } }
+\cs_new_protected:Npn \__box_backend_rotate_aux:Nn #1#2
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_literal:x
+      {
+        x:rotate~
+        \fp_compare:nNnTF {#2} = \c_zero_fp
+          { 0 }
+          { \fp_eval:n { round ( #2 , 5 ) } }
+      }
+    \box_use:N #1
+    \__kernel_backend_scope_end:
+  }
+\cs_new_protected:Npn \__box_backend_scale:Nnn #1#2#3
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_literal:x
+      {
+        x:scale~
+        \fp_eval:n { round ( #2 , 5 ) } ~
+        \fp_eval:n { round ( #3 , 5 ) }
+      }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_scope_end:
+  }
+%% File: l3backend-draw.dtx
+\cs_new_eq:NN \__draw_backend_literal:n \__kernel_backend_literal_pdf:n
+\cs_generate_variant:Nn \__draw_backend_literal:n { x }
+\cs_new_protected:Npn \__draw_backend_begin:
+  { \__draw_backend_scope_begin: }
+\cs_new_protected:Npn \__draw_backend_end:
+  { \__draw_backend_scope_end: }
+\cs_new_eq:NN \__draw_backend_scope_begin: \__kernel_backend_scope_begin:
+\cs_new_eq:NN \__draw_backend_scope_end: \__kernel_backend_scope_end:
+\cs_new_protected:Npn \__draw_backend_moveto:nn #1#2
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~ m }
+  }
+\cs_new_protected:Npn \__draw_backend_lineto:nn #1#2
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~ l }
+  }
+\cs_new_protected:Npn \__draw_backend_curveto:nnnnnn #1#2#3#4#5#6
+  {
+    \__draw_backend_literal:x
+      {
+        \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
+        \dim_to_decimal_in_bp:n {#3} ~ \dim_to_decimal_in_bp:n {#4} ~
+        \dim_to_decimal_in_bp:n {#5} ~ \dim_to_decimal_in_bp:n {#6} ~
+        c
+      }
+ }
+\cs_new_protected:Npn \__draw_backend_rectangle:nnnn #1#2#3#4
+  {
+     \__draw_backend_literal:x
+      {
+        \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
+        \dim_to_decimal_in_bp:n {#3} ~ \dim_to_decimal_in_bp:n {#4} ~
+        re
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_evenodd_rule:
+  { \bool_gset_true:N \g__draw_draw_eor_bool }
+\cs_new_protected:Npn \__draw_backend_nonzero_rule:
+  { \bool_gset_false:N \g__draw_draw_eor_bool }
+\bool_new:N \g__draw_draw_eor_bool
+\cs_new_protected:Npn \__draw_backend_closepath:
+  { \__draw_backend_literal:n { h } }
+\cs_new_protected:Npn \__draw_backend_stroke:
+  { \__draw_backend_literal:n { S } }
+\cs_new_protected:Npn \__draw_backend_closestroke:
+  { \__draw_backend_literal:n { s } }
+\cs_new_protected:Npn \__draw_backend_fill:
+  {
+    \__draw_backend_literal:x
+      { f \bool_if:NT \g__draw_draw_eor_bool * }
+  }
+\cs_new_protected:Npn \__draw_backend_fillstroke:
+  {
+    \__draw_backend_literal:x
+      { B \bool_if:NT \g__draw_draw_eor_bool * }
+  }
+\cs_new_protected:Npn \__draw_backend_clip:
+  {
+    \__draw_backend_literal:x
+      { W \bool_if:NT \g__draw_draw_eor_bool * }
+  }
+\cs_new_protected:Npn \__draw_backend_discardpath:
+  { \__draw_backend_literal:n { n } }
+\cs_new_protected:Npn \__draw_backend_dash_pattern:nn #1#2
+  {
+    \__draw_backend_literal:x
+      {
+        [
+          \exp_args:Nf \use:n
+            { \clist_map_function:nN {#1} \__draw_backend_dash:n }
+        ] ~
+        \dim_to_decimal_in_bp:n {#2} ~ d
+      }
+  }
+\cs_new:Npn \__draw_backend_dash:n #1
+  { ~ \dim_to_decimal_in_bp:n {#1} }
+\cs_new_protected:Npn \__draw_backend_linewidth:n #1
+  {
+    \__draw_backend_literal:x
+      { \dim_to_decimal_in_bp:n {#1} ~ w }
+  }
+\cs_new_protected:Npn \__draw_backend_miterlimit:n #1
+  { \__draw_backend_literal:x { \fp_eval:n {#1} ~ M } }
+\cs_new_protected:Npn \__draw_backend_cap_butt:
+  { \__draw_backend_literal:n { 0 ~ J } }
+\cs_new_protected:Npn \__draw_backend_cap_round:
+  { \__draw_backend_literal:n { 1 ~ J } }
+\cs_new_protected:Npn \__draw_backend_cap_rectangle:
+  { \__draw_backend_literal:n { 2 ~ J } }
+\cs_new_protected:Npn \__draw_backend_join_miter:
+  { \__draw_backend_literal:n { 0 ~ j } }
+\cs_new_protected:Npn \__draw_backend_join_round:
+  { \__draw_backend_literal:n { 1 ~ j } }
+\cs_new_protected:Npn \__draw_backend_join_bevel:
+  { \__draw_backend_literal:n { 2 ~ j } }
+\cs_new_protected:Npn \__draw_backend_color_fill_cmyk:nnnn #1#2#3#4
+  {
+    \__draw_backend_color_select:x
+      {
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
+        k
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_cmyk:nnnn #1#2#3#4
+  {
+    \__draw_backend_color_select:x
+      {
+        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
+        \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
+        k
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_color_fill_gray:n #1
+  { \__draw_backend_color_select:x { \fp_eval:n {#1} ~ g } }
+\cs_new_protected:Npn \__draw_backend_color_stroke_gray:n #1
+  { \__draw_backend_color_select:x { \fp_eval:n {#1} ~ G } }
+\cs_new_protected:Npn \__draw_backend_color_fill_rgb:nnn #1#2#3
+  {
+    \__draw_backend_color_select:x
+      { \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} ~ rg }
+  }
+\cs_new_protected:Npn \__draw_backend_color_stroke_rgb:nnn #1#2#3
+  {
+    \__draw_backend_color_select:x
+      { \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} ~ RG }
+  }
+\cs_new_eq:NN \__draw_backend_color_select:n \__kernel_backend_literal_pdf:n
+\cs_generate_variant:Nn \__draw_backend_color_select:n { x }
+\cs_new_protected:Npn \__draw_backend_cm:nnnn #1#2#3#4
+  {
+    \__draw_backend_cm_decompose:nnnnN {#1} {#2} {#3} {#4}
+      \__draw_backend_cm_aux:nnnn
+  }
+\cs_new_protected:Npn \__draw_backend_cm_aux:nnnn #1#2#3#4
+  {
+    \__kernel_backend_literal:x
+      {
+        x:rotate~
+        \fp_compare:nNnTF {#1} = \c_zero_fp
+          { 0 }
+          { \fp_eval:n { round ( -#1 , 5 ) } }
+      }
+    \__kernel_backend_literal:x
+      {
+        x:scale~
+        \fp_eval:n { round ( #2 , 5 ) } ~
+        \fp_eval:n { round ( #3 , 5 ) }
+      }
+    \__kernel_backend_literal:x
+      {
+        x:rotate~
+        \fp_compare:nNnTF {#4} = \c_zero_fp
+          { 0 }
+          { \fp_eval:n { round ( -#4 , 5 ) } }
+      }
+  }
+\cs_new_protected:Npn \__draw_backend_cm_decompose:nnnnN #1#2#3#4#5
+  {
+    \use:x
+      {
+        \__draw_backend_cm_decompose_auxi:nnnnN
+          { \fp_eval:n { (#1 + #4) / 2 } }
+          { \fp_eval:n { (#1 - #4) / 2 } }
+          { \fp_eval:n { (#3 + #2) / 2 } }
+          { \fp_eval:n { (#3 - #2) / 2 } }
+      }
+        #5
+  }
+\cs_new_protected:Npn \__draw_backend_cm_decompose_auxi:nnnnN #1#2#3#4#5
+  {
+    \use:x
+      {
+        \__draw_backend_cm_decompose_auxii:nnnnN
+          { \fp_eval:n { 2 * sqrt ( #1 * #1 + #4 * #4 ) } }
+          { \fp_eval:n { 2 * sqrt ( #2 * #2 + #3 * #3 ) } }
+          { \fp_eval:n { atand ( #3 , #2 ) } }
+          { \fp_eval:n { atand ( #4 , #1 ) } }
+      }
+         #5
+  }
+\cs_new_protected:Npn \__draw_backend_cm_decompose_auxii:nnnnN #1#2#3#4#5
+  {
+    \use:x
+      {
+        \__draw_backend_cm_decompose_auxiii:nnnnN
+          { \fp_eval:n { ( #4 - #3 ) / 2 } }
+          { \fp_eval:n { ( #1 + #2 ) / 2 } }
+          { \fp_eval:n { ( #1 - #2 ) / 2 } }
+          { \fp_eval:n { ( #4 + #3 ) / 2 } }
+      }
+        #5
+  }
+\cs_new_protected:Npn \__draw_backend_cm_decompose_auxiii:nnnnN #1#2#3#4#5
+  {
+    \fp_compare:nNnTF { abs( #2 ) } > { abs ( #3 ) }
+      { #5 {#1} {#2} {#3} {#4} }
+      { #5 {#1} {#3} {#2} {#4} }
+  }
+\cs_new_protected:Npn \__draw_backend_box_use:Nnnnn #1#2#3#4#5
+  {
+    \__kernel_backend_scope_begin:
+    \__kernel_backend_literal:x
+      {
+        pdf:btrans~matrix~
+        \fp_eval:n {#2} ~ \fp_eval:n {#3} ~
+        \fp_eval:n {#4} ~ \fp_eval:n {#5} ~
+        0 ~ 0
+      }
+    \hbox_overlap_right:n { \box_use:N #1 }
+    \__kernel_backend_literal:n { pdf:etrans }
+    \__kernel_backend_scope_end:
+  }
+%% File: l3backend-graphics.dtx
+\AtBeginDocument
+  { \cs_new_eq:NN \__graphics_backend_getbb_eps:n \graphics_read_bb:n }
+\int_new:N \g__graphics_track_int
+\cs_new_protected:Npn \__graphics_backend_include_eps:n #1
+  {
+    \__kernel_backend_literal:x
+      {
+        PSfile = #1 \c_space_tl
+        llx = \dim_to_decimal_in_bp:n \l_graphics_llx_dim \c_space_tl
+        lly = \dim_to_decimal_in_bp:n \l_graphics_lly_dim \c_space_tl
+        urx = \dim_to_decimal_in_bp:n \l_graphics_urx_dim \c_space_tl
+        ury = \dim_to_decimal_in_bp:n \l_graphics_ury_dim
+      }
+  }
+\cs_new_protected:Npn \__graphics_backend_include_jpg:n #1
+  { \__graphics_backend_include_auxi:nn {#1} { image } }
+\cs_new_eq:NN \__graphics_backend_include_png:n \__graphics_backend_include_jpg:n
+\cs_new_protected:Npn \__graphics_backend_include_auxi:nn #1#2
+  {
+    \__graphics_backend_include_auxii:xnn
+      {
+        \tl_if_empty:NF \l_graphics_pagebox_tl
+          { : \l_graphics_pagebox_tl }
+        \int_compare:nNnT \l_graphics_page_int > 1
+          { :P \int_use:N \l_graphics_page_int }
+        \tl_if_empty:NF \l_graphics_decodearray_tl
+          { :D \l_graphics_decodearray_tl }
+        \bool_if:NT \l_graphics_interpolate_bool
+           { :I }
+      }
+      {#1} {#2}
+  }
+\cs_new_protected:Npn \__graphics_backend_include_auxii:nnn #1#2#3
+  {
+    \int_if_exist:cTF { c__graphics_graphics_ #2#1 _int }
+      {
+        \__kernel_backend_literal:x
+          { pdf:usexobj~@graphic \int_use:c { c__graphics_graphics_ #2#1 _int } }
+      }
+      { \__graphics_backend_include_auxiii:nnn {#2} {#1} {#3} }
+  }
+\cs_generate_variant:Nn \__graphics_backend_include_auxii:nnn { x }
+\cs_new_protected:Npn \__graphics_backend_include_auxiii:nnn #1#2#3
+  {
+    \int_gincr:N \g__graphics_track_int
+    \int_const:cn { c__graphics_graphics_ #1#2 _int } { \g__graphics_track_int }
+    \__kernel_backend_literal:x
+      {
+        pdf:#3~
+        @graphic \int_use:c { c__graphics_graphics_ #1#2 _int } ~
+        \int_compare:nNnT \l_graphics_page_int > 1
+          { page ~ \int_use:N \l_graphics_page_int \c_space_tl }
+        \tl_if_empty:NF \l_graphics_pagebox_tl
+          {
+            pagebox ~ \l_graphics_pagebox_tl \c_space_tl
+            bbox ~
+              \dim_to_decimal_in_bp:n \l_graphics_llx_dim \c_space_tl
+              \dim_to_decimal_in_bp:n \l_graphics_lly_dim \c_space_tl
+              \dim_to_decimal_in_bp:n \l_graphics_urx_dim \c_space_tl
+              \dim_to_decimal_in_bp:n \l_graphics_ury_dim \c_space_tl
+          }
+        (#1)
+        \bool_lazy_or:nnT
+          { \l_graphics_interpolate_bool }
+          { ! \tl_if_empty_p:N \l_graphics_decodearray_tl }
+          {
+            <<
+              \tl_if_empty:NF \l_graphics_decodearray_tl
+                { /Decode~[ \l_graphics_decodearray_tl ] }
+              \bool_if:NT \l_graphics_interpolate_bool
+                { /Interpolate~true> }
+            >>
+          }
+      }
+  }
+\cs_new_protected:Npn \__graphics_backend_getbb_jpg:n #1
+  {
+    \int_zero:N \l_graphics_page_int
+    \tl_clear:N \l_graphics_pagebox_tl
+    \__graphics_backend_getbb_auxi:nN {#1} \tex_XeTeXpicfile:D
+  }
+\cs_new_eq:NN \__graphics_backend_getbb_png:n \__graphics_backend_getbb_jpg:n
+\cs_new_protected:Npn \__graphics_backend_getbb_pdf:n #1
+  {
+    \tl_clear:N \l_graphics_decodearray_tl
+    \bool_set_false:N \l_graphics_interpolate_bool
+    \__graphics_backend_getbb_auxi:nN {#1} \tex_XeTeXpdffile:D
+  }
+\cs_new_protected:Npn \__graphics_backend_getbb_auxi:nN #1#2
+  {
+    \int_compare:nNnTF \l_graphics_page_int > 1
+      { \__graphics_backend_getbb_auxii:VnN \l_graphics_page_int {#1} #2  }
+      { \__graphics_backend_getbb_auxiii:nNnn {#1} #2 { :P 1 } { page 1 } }
+  }
+\cs_new_protected:Npn \__graphics_backend_getbb_auxii:nnN #1#2#3
+  { \__graphics_backend_getbb_auxiii:nNnn {#2} #3 { :P #1 } { page #1 } }
+\cs_generate_variant:Nn \__graphics_backend_getbb_auxii:nnN { V }
+\cs_new_protected:Npn \__graphics_backend_getbb_auxiii:nNnn #1#2#3#4
+  {
+    \tl_if_empty:NTF \l_graphics_pagebox_tl
+      { \__graphics_backend_getbb_auxiv:VnNnn \l_graphics_pagebox_tl }
+      { \__graphics_backend_getbb_auxv:nNnn }
+      {#1} #2 {#3} {#4}
+  }
+\cs_new_protected:Npn \__graphics_backend_getbb_auxiv:nnNnn #1#2#3#4#5
+  {
+    \use:x
+      {
+        \__graphics_backend_getbb_auxv:nNnn {#2} #3 { : #1 #4 }
+          { #5 ~ \__graphics_backend_getbb_pagebox:w #1 }
+      }
+  }
+\cs_generate_variant:Nn \__graphics_backend_getbb_auxiv:nnNnn { V }
+\cs_new_protected:Npn \__graphics_backend_getbb_auxv:nNnn #1#2#3#4
+  {
+    \graphics_bb_restore:nF {#1#3}
+      { \__graphics_backend_getbb_auxvi:nNnn {#1} #2 {#3} {#4} }
+  }
+\cs_new_protected:Npn \__graphics_backend_getbb_auxvi:nNnn #1#2#3#4
+  {
+    \hbox_set:Nn \l__graphics_internal_box { #2 #1 ~ #4 }
+    \dim_set:Nn \l_graphics_urx_dim { \box_wd:N \l__graphics_internal_box }
+    \dim_set:Nn \l_graphics_ury_dim { \box_ht:N \l__graphics_internal_box }
+    \graphics_bb_save:n {#1#3}
+  }
+\cs_new:Npn \__graphics_backend_getbb_pagebox:w #1 box {#1}
+\cs_new_protected:Npn \__graphics_backend_include_pdf:n #1
+  {
+    \tex_XeTeXpdffile:D
+      \__graphics_backend_include_pdf_quote:w #1 "#1" \q_stop \c_space_tl
+      \int_compare:nNnT \l_graphics_page_int > 0
+        { page ~ \int_use:N \l_graphics_page_int \c_space_tl }
+        \exp_after:wN \__graphics_backend_getbb_pagebox:w \l_graphics_pagebox_tl
+  }
+\cs_new:Npn \__graphics_backend_include_pdf_quote:w #1 " #2 " #3 \q_stop
+  { " #2 " }
+%% File: l3backend-pdf.dtx
+\box_new:N \l__pdf_internal_box
+\cs_new_protected:Npx \__pdf_backend:n #1
+  { \__kernel_backend_literal:n { pdf: #1 } }
+\cs_generate_variant:Nn \__pdf_backend:n { x }
+\cs_new_protected:Npn \__pdf_backend_catalog_gput:nn #1#2
+  { \__pdf_backend:n { put ~ @catalog << /#1 ~ #2 >> } }
+\cs_new_protected:Npn \__pdf_backend_info_gput:nn #1#2
+  { \__pdf_backend:n { docinfo << /#1 ~ #2 >> } }
+\int_new:N \g__pdf_backend_object_int
+\prop_new:N \g__pdf_backend_object_prop
+\cs_new_protected:Npn \__pdf_backend_object_new:nn #1#2
+  {
+    \int_gincr:N \g__pdf_backend_object_int
+    \int_const:cn
+      { c__pdf_backend_object_ \tl_to_str:n {#1} _int }
+      { \g__pdf_backend_object_int }
+    \prop_gput:Nnn \g__pdf_backend_object_prop {#1} {#2}
+  }
+\cs_new:Npn \__pdf_backend_object_ref:n #1
+  { @pdf.obj \int_use:c { g__pdf_backend_object_ \tl_to_str:n {#1} _int } }
+\cs_new_protected:Npn \__pdf_backend_object_write:nn #1#2
+  {
+    \exp_args:Nx \__pdf_backend_object_write:nnn
+      { \prop_item:Nn \g__pdf_backend_object_prop {#1} } {#1} {#2}
+  }
+\cs_generate_variant:Nn \__pdf_backend_object_write:nn { nx }
+\cs_new_protected:Npn \__pdf_backend_object_write:nnn #1#2#3
+  {
+    \use:c { __pdf_backend_object_write_ #1 :nn }
+      { \__pdf_backend_object_ref:n {#2} } {#3}
+  }
+\cs_new_protected:Npn \__pdf_backend_object_write_array:nn #1#2
+  {
+    \__pdf_backend:x
+      { obj ~ #1 ~ [ ~ \exp_not:n {#2} ~ ] }
+  }
+\cs_new_protected:Npn \__pdf_backend_object_write_dict:nn #1#2
+  {
+    \__pdf_backend:x
+      { obj ~ #1 ~ << ~ \exp_not:n {#2} ~ >> }
+  }
+\cs_new_protected:Npn \__pdf_backend_object_write_fstream:nn #1#2
+  { \__pdf_backend_object_write_stream:nnnn { f } {#1} #2 }
+\cs_new_protected:Npn \__pdf_backend_object_write_stream:nn #1#2
+  { \__pdf_backend_object_write_stream:nnnn { } {#1} #2 }
+\cs_new_protected:Npn \__pdf_backend_object_write_stream:nnnn #1#2#3#4
+  {
+    \__pdf_backend:x
+      {
+        #1 stream ~ #2 ~
+          ( \exp_not:n {#4} ) ~ << \exp_not:n {#3} >>
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_object_now:nn #1#2
+  {
+    \int_gincr:N \g__pdf_backend_object_int
+    \exp_args:Nnx \use:c { __pdf_backend_object_write_ #1 :nn }
+      { @pdf.obj \int_use:N \g__pdf_backend_object_int }
+      {#2}
+  }
+\cs_generate_variant:Nn \__pdf_backend_object_now:nn { nx }
+\cs_new:Npn \__pdf_backend_object_last:
+ { @pdf.obj \int_use:N \g__pdf_backend_object_int }
+\bool_new:N \g__pdf_landscape_bool
+\AtBeginDocument
+  {
+    \cs_if_exist:NT \landscape
+      {
+        \tl_put_right:Nn \landscape
+          { \bool_gset_true:N \g__pdf_landscape_bool }
+        \tl_put_left:Nn \endlandscape
+          { \bool_gset_false:N \g__pdf_landscape_bool }
+      }
+  }
+\int_new:N \g__pdf_backend_annotation_int
+\cs_new_protected:Npn \__pdf_backend_annotation:nnnn #1#2#3#4
+  {
+    \bool_if:NTF \g__pdf_landscape_bool
+      {
+         \box_move_up:nn {#2}
+           {
+             \vbox:n
+               {
+                 \__pdf_backend_annotation_aux:nnnn
+                   { #2 + #3 } {#1} { 0pt } {#4}
+               }
+           }
+      }
+      { \__pdf_backend_annotation_aux:nnnn {#1} {#2} {#3} {#4} }
+  }
+\cs_new_protected:Npn \__pdf_backend_annotation_aux:nnnn #1#2#3#4
+  {
+    \int_gincr:N \g__pdf_backend_object_int
+    \int_gset_eq:NN \g__pdf_backend_annotation_int \g__pdf_backend_object_int
+    \__pdf_backend:x
+      {
+        ann ~ @pdf.obj \int_use:N \g__pdf_backend_object_int \c_space_tl
+        width  ~ \dim_eval:n {#1} ~
+        height ~ \dim_eval:n {#2} ~
+        depth  ~ \dim_eval:n {#3} ~
+        << #4 >>
+      }
+  }
+\cs_new:Npn \__pdf_backend_annotation_last:
+ { @pdf.obj \int_use:N \g__pdf_backend_annotation_int }
+\cs_new_protected:Npn \__pdf_backend_link_begin_goto:nnw #1#2
+  { \__pdf_backend_link_begin:n { #1 /Subtype /Link /A << /S /GoTo /D ( #2 ) >> } }
+\cs_new_protected:Npn \__pdf_backend_link_begin_user:nnw #1#2
+  { \__pdf_backend_link_begin:n {#1#2} }
+\cs_new_protected:Npn \__pdf_backend_link_begin:n #1
+  {
+    \__pdf_backend:n
+      {
+         bann
+         <<
+           /Type /Annot
+           #1
+         >>
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_link_end:
+  { \__pdf_backend:n { eann } }
+\cs_new:Npn \__pdf_backend_link_last: { }
+\cs_new_protected:Npn \__pdf_backend_link_margin:n #1
+  { \__kernel_backend_literal:x { dvipdfmx:config~g~ \dim_eval:n {#1} } }
+\cs_new_protected:Npn \__pdf_backend_destination:nn #1#2
+  {
+    \__pdf_backend:x
+      {
+        dest ~ ( \exp_not:n {#1} )
+        [
+          @thispage
+          \str_case:nnF {#2}
+            {
+              { xyz }   { /XYZ ~ @xpos ~ @ypos ~ null }
+              { fit }   { /Fit }
+              { fitb }  { /FitB }
+              { fitbh } { /FitBH }
+              { fitbv } { /FitBV ~ @xpos }
+              { fith }  { /FitH ~ @ypos }
+              { fitv }  { /FitV ~ @xpos }
+            }
+            { /XYZ ~ @xpos ~ @ypos ~ \fp_eval:n { (#2) / 100 } }
+        ]
+      }
+  }
+\cs_new_protected:Npn \__pdf_backend_destination_rectangle:nn #1#2
+  {
+    \group_begin:
+      \hbox_set:Nn \l__pdf_internal_box {#2}
+      \box_move_down:nn { \box_dp:N \l__pdf_internal_box }
+        {
+          \hbox:n
+            {
+              \__pdf_backend:n { obj ~ @pdf_ #1 _llx ~ @xpos }
+              \__pdf_backend:n { obj ~ @pdf_ #1 _lly ~ @ypos }
+            }
+        }
+      \box_use:N \l__pdf_internal_box
+      \box_move_up:nn { \box_ht:N \l__pdf_internal_box }
+        {
+          \hbox:n
+            {
+              \__pdf_backend:n
+                {
+                  dest ~ (#1)
+                  [
+                    @thispage
+                    /FitR ~
+                      @pdf_ #1 _llx ~ @pdf_ #1 _lly ~
+                      @xpos ~ @ypos
+                  ]
+                }
+            }
+        }
+    \group_end:
+  }
+\cs_new_protected:Npn \__pdf_backend_compresslevel:n #1
+  { \__kernel_backend_literal:x { dvipdfmx:config~z~ \int_eval:n {#1} } }
+\cs_new_protected:Npn \__pdf_backend_compress_objects:n #1
+  {
+    \bool_if:nF {#1}
+      { \__kernel_backend_literal:n { dvipdfmx:config~C~0x40 } }
+  }
+\cs_new_protected:Npn \__pdf_backend_version_major:n #1
+  {
+    \cs_gset:Npx \__pdf_backend_version_major: { \int_eval:n {#1} }
+    \__kernel_backend_literal:x { pdf:majorversion \__pdf_backend_version_major: }
+  }
+\cs_new_protected:Npn \__pdf_backend_version_minor:n #1
+  {
+    \cs_gset:Npx \__pdf_backend_version_minor: { \int_eval:n {#1} }
+    \__kernel_backend_literal:x { pdf:minorversion \__pdf_backend_version_minor: }
+  }
+\cs_new:Npn \__pdf_backend_version_major: { 1 }
+\cs_new:Npn \__pdf_backend_version_minor: { 5 }
+\cs_new_protected:Npn \__pdf_backend_bdc:nn #1#2
+  { \__kernel_backend_literal_page:n { /#1 ~ #2 ~ BDC } }
+\cs_new_protected:Npn \__pdf_backend_emc:
+  { \__kernel_backend_literal_page:n { EMC } }
+%% 
+%%
+%% End of file `l3backend-xdvipdfmx.def'.