%% %% This is file `expl3.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% expl3.dtx (with options: `package,loader') %% %% Copyright (C) 1990-2020 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 "l3kernel bundle" (The Work in LPPL) %% and all files in that bundle must be distributed together. %% %% File: expl3.dtx \def\ExplFileDate{2020-05-15}% \let\ExplLoaderFileDate\ExplFileDate \ProvidesPackage{expl3} [% \ExplFileDate\space L3 programming layer (loader) ]% \protected\def\ProvidesExplPackage#1#2#3#4% {% \ProvidesPackage{#1}[#2 \ifx\relax#3\relax\else v#3\space\fi #4]% \ExplSyntaxOn }% \protected\def\ProvidesExplClass#1#2#3#4% {% \ProvidesClass{#1}[#2 \ifx\relax#3\relax\else v#3\space\fi #4]% \ExplSyntaxOn }% \protected\def\ProvidesExplFile#1#2#3#4% {% \ProvidesFile{#1}[#2 \ifx\relax#3\relax\else v#3\space\fi #4]% \ExplSyntaxOn }% \begingroup\expandafter\expandafter\expandafter\endgroup \expandafter\ifx\csname tex\string _let:D\endcsname\relax \expandafter\@firstofone \else \expandafter\@gobble \fi {\input{expl3-code.tex}}% \begingroup\expandafter\expandafter\expandafter\endgroup \expandafter\ifx\csname tex\string _let:D\endcsname\relax \expandafter\endinput \fi \ifdefined\@pushfilenameaux \ExplSyntaxOn \fi \cs_if_exist:NF \c__expl_def_ext_tl { \tl_const:Nn \c__expl_def_ext_tl { def } } \cs_gset_protected:Npn \__kernel_sys_configuration_load:n #1 { \ExplSyntaxOff \cs_undefine:c { ver@ #1 .def } \@onefilewithoptions {#1} [ ] [ ] \c__expl_def_ext_tl \ExplSyntaxOn } \cs_gset_protected:Npn \__kernel_sys_configuration_load_std:n #1 { \cs_undefine:c { ver@ #1 .def } \@onefilewithoptions {#1} [ ] [ ] \c__expl_def_ext_tl } \cs_if_exist:NF \l__expl_options_clist { \clist_new:N \l__expl_options_clist } \DeclareOption* { \clist_put_right:NV \l__expl_options_clist \CurrentOption } \ProcessOptions \relax \keys_define:nn { sys } { backend .choices:nn = { dvipdfmx , dvips , dvisvgm , pdfmode , xdvipdfmx } { \sys_load_backend:n {#1} } , check-declarations .code:n = { \sys_load_debug: \debug_on:n { check-declarations } } , driver .meta:n = { backend = #1 } , enable-debug .code:n = \sys_load_debug: , log-functions .code:n = { \sys_load_debug: \debug_on:n { log-functions } } , suppress-backend-headers .bool_gset_inverse:N = \g__kernel_backend_header_bool , suppress-backend-headers .initial:n = false , undo-recent-deprecations .code:n = { \bool_gset_true:N \g__kernel_deprecation_undo_recent_bool \sys_load_deprecation: } } \keys_set:nV { sys } \l__expl_options_clist \str_if_exist:NF \c_sys_backend_str { \sys_load_backend:n { } } \cs_if_exist:NT \@pushfilenameaux { \cs_gset_eq:NN \__kernel_sys_configuration_load:n \__kernel_sys_configuration_load_std:n \endinput } \cs_if_free:cTF { ver@expl3.sty } { \tex_everyjob:D \exp_after:wN { \tex_the:D \tex_everyjob:D \sys_everyjob: } } { \sys_everyjob: } \reverse_if:N \if_cs_exist:N \s__expl_stop \scan_new:N \s__expl_stop \fi: \tl_put_left:Nn \@pushfilename { \exp_args:Nx \__kernel_file_input_push:n { \tl_to_str:N \@currname \tl_to_str:N \@currext } \tl_put_left:Nx \l__expl_status_stack_tl { \bool_if:NTF \l__kernel_expl_bool { 1 } { 0 } } \ExplSyntaxOff } \tl_put_right:Nn \@pushfilename { \@pushfilenameaux } \cs_set_protected:Npn \@pushfilenameaux #1#2#3 { \str_gset:Nn \g_file_curr_name_str {#3} #1 #2 {#3} } \tl_put_right:Nn \@popfilename { \__kernel_file_input_pop: \tl_if_empty:NTF \l__expl_status_stack_tl { \ExplSyntaxOff } { \exp_after:wN \__expl_status_pop:w \l__expl_status_stack_tl \s__expl_stop } } \cs_gset_protected:Npn \__expl_status_pop:w #1#2 \s__expl_stop { \tl_set:Nn \l__expl_status_stack_tl {#2} \int_if_odd:nTF {#1} { \ExplSyntaxOn } { \ExplSyntaxOff } } \tl_if_exist:NF \l__expl_status_stack_tl { \tl_new:N \l__expl_status_stack_tl \tl_set:Nn \l__expl_status_stack_tl { 0 } } \cs_gset_eq:NN \__kernel_sys_configuration_load:n \__kernel_sys_configuration_load_std:n %% %% %% End of file `expl3.sty'.