fontspec (31mar17)

git-svn-id: svn://tug.org/texlive/trunk@43661 c570f23f-e606-0410-a88d-b1316a301751

5 files changed, 264 insertions, 63 deletions

diff --git a/Master/texmf-dist/tex/latex/fontspec/fontspec-luatex.sty b/Master/texmf-dist/tex/latex/fontspec/fontspec-luatex.sty
index 19f343fc5f4..662376bb378 100644
--- a/Master/texmf-dist/tex/latex/fontspec/fontspec-luatex.sty
+++ b/Master/texmf-dist/tex/latex/fontspec/fontspec-luatex.sty
@@ -32,7 +32,7 @@
 \RequirePackage{expl3}
 \RequirePackage{xparse}
 \ProvidesExplPackage{fontspec-luatex}%
-  {2017/02/12}{2.6}{Font selection for XeLaTeX and LuaLaTeX}
+  {2017/03/31}{2.6a}{Font selection for XeLaTeX and LuaLaTeX}
 \bool_new:N \l__fontspec_firsttime_bool
 \bool_new:N \l__fontspec_nobf_bool
 \bool_new:N \l__fontspec_noit_bool
@@ -470,6 +470,10 @@
     \fi:
   }
 \NewDocumentCommand \fontspec { O{} m O{} }
+  {
+    \__fontspec_main_fontspec:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_fontspec:nnn
  {
   \fontspec_set_family:Nnn \f@family {#1,#3} {#2}
   \fontencoding { \l__fontspec_nfss_enc_tl }
@@ -477,6 +481,10 @@
   \ignorespaces
  }
 \DeclareDocumentCommand \setmainfont { O{} m O{} }
+  {
+    \__fontspec_main_setmainfont:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmainfont:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_rmfamily_family {#1,#3} {#2}
   \tl_set_eq:NN \rmdefault \g__fontspec_rmfamily_family
@@ -493,6 +501,10 @@
   \ignorespaces
  }
 \DeclareDocumentCommand \setsansfont { O{} m O{} }
+  {
+    \__fontspec_main_setsansfont:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setsansfont:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_sffamily_family {#1,#3} {#2}
   \tl_set_eq:NN \sfdefault \g__fontspec_sffamily_family
@@ -509,6 +521,10 @@
   \ignorespaces
  }
 \DeclareDocumentCommand \setmonofont { O{} m O{} }
+  {
+    \__fontspec_main_setmonofont:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmonofont:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_ttfamily_family {#1,#3} {#2}
   \tl_set_eq:NN \ttdefault \g__fontspec_ttfamily_family
@@ -524,23 +540,39 @@
   \normalfont
   \ignorespaces
  }
-\cs_set_eq:NN \setromanfont \setmainfont
+\DeclareDocumentCommand \setromanfont { O{} m O{} }
+  {
+    \__fontspec_main_setmainfont:nnn {#1} {#2} {#3}
+  }
 \DeclareDocumentCommand \setmathrm { O{} m O{} }
+  {
+    \__fontspec_main_setmathrm:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmathrm:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_mathrm_tl {#1} {#2}
  }
-
 \DeclareDocumentCommand \setboldmathrm { O{} m O{} }
+  {
+    \__fontspec_main_setboldmathrm:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setboldmathrm:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_bfmathrm_tl {#1} {#2}
  }
-
 \DeclareDocumentCommand \setmathsf { O{} m O{} }
+  {
+    \__fontspec_main_setmathsf:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmathsf:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_mathsf_tl {#1} {#2}
  }
-
 \DeclareDocumentCommand \setmathtt { O{} m O{} }
+  {
+    \__fontspec_main_setmathtt:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmathtt:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_mathtt_tl {#1} {#2}
  }
@@ -552,6 +584,10 @@
 \tl_set:Nn \g__fontspec_mathsf_tl {\sfdefault}
 \tl_set:Nn \g__fontspec_mathtt_tl {\ttdefault}
 \DeclareDocumentCommand \newfontfamily { m O{} m O{} }
+  {
+    \__fontspec_main_newfontfamily:nnnn {#1} {#2} {#3} {#4}
+  }
+\cs_set:Nn \__fontspec_main_newfontfamily:nnnn
  {
   \fontspec_set_family:cnn { g__fontspec_ \cs_to_str:N #1 _family } {#2,#4} {#3}
   \use:x
@@ -565,21 +601,25 @@
    }
  }
 \DeclareDocumentCommand \newfontface { m O{} m O{} }
+  {
+    \__fontspec_main_newfontface:nnnn {#1} {#2} {#3} {#4}
+  }
+\cs_set:Nn \__fontspec_main_newfontface:nnnn
  {
   \newfontfamily #1 [ BoldFont={},ItalicFont={},SmallCapsFont={},#2,#4 ] {#3}
  }
 \DeclareDocumentCommand \defaultfontfeatures { t+ o m }
- {
-  \IfNoValueTF {#2}
-   { \__fontspec_set_default_features:nn {#1} {#3} }
-   { \__fontspec_set_font_default_features:nnn {#1} {#2} {#3} }
-  \ignorespaces
- }
+  {
+    \IfNoValueTF {#2}
+     { \__fontspec_set_default_features:nn {#1} {#3} }
+     { \__fontspec_set_font_default_features:nnn {#1} {#2} {#3} }
+    \ignorespaces
+  }
 \cs_new:Nn \__fontspec_set_default_features:nn
- {
-  \IfBooleanTF {#1} \clist_put_right:Nn \clist_set:Nn
-   \g__fontspec_default_fontopts_clist {#2}
- }
+  {
+    \IfBooleanTF {#1} \clist_put_right:Nn \clist_set:Nn
+      \g__fontspec_default_fontopts_clist {#2}
+  }
 \cs_new:Nn \__fontspec_set_font_default_features:nnn
  {
   \clist_map_inline:nn {#2}
@@ -603,6 +643,10 @@
    }
  }
 \DeclareDocumentCommand \addfontfeatures {m}
+  {
+    \__fontspec_main_addfontfeatures:n {#1}
+  }
+\cs_set:Nn \__fontspec_main_addfontfeatures:n
  {
   \fontspec_if_fontspec_font:TF
    {
@@ -626,6 +670,10 @@
  }
 \cs_set_eq:NN \addfontfeature \addfontfeatures
 \DeclareDocumentCommand \newfontfeature {mm}
+  {
+    \__fontspec_main_newfontfeature:nn {#1} {#2}
+  }
+\cs_set:Nn \__fontspec_main_newfontfeature:nn
  {
   \keys_define:nn { fontspec }
    {
@@ -636,14 +684,24 @@
    }
  }
 \DeclareDocumentCommand \newAATfeature {mmmm}
+  {
+    \__fontspec_main_newAATfeature:nnnn {#1} {#2} {#3} {#4}
+  }
+\cs_set:Nn \__fontspec_main_newAATfeature:nnnn
  {
   \keys_if_exist:nnF { fontspec } {#1}
     { \__fontspec_define_aat_feature_group:n {#1} }
+
   \keys_if_choice_exist:nnnT {fontspec} {#1} {#2}
     { \__fontspec_warning:nxx {feature-option-overwrite} {#1} {#2} }
+
   \__fontspec_define_aat_feature:nnnn {#1}{#2}{#3}{#4}
  }
 \DeclareDocumentCommand \newopentypefeature {mmm}
+  {
+    \__fontspec_main_newopentypefeature:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_newopentypefeature:nnn
  {
   \keys_if_exist:nnF { fontspec / options } {#1}
     { \__fontspec_define_opentype_feature_group:n {#1} }
@@ -651,15 +709,23 @@
   \keys_if_choice_exist:nnnT {fontspec} {#1} {#2}
     { \__fontspec_warning:nxx {feature-option-overwrite} {#1} {#2} }
 
-  \exp_args:Nnnx \__fontspec_define_opentype_feature:nnnnn {#1}{#2}{ \__fontspec_strip_plus_minus:n {#3} }{#3}{}
+  \exp_args:Nnnx \__fontspec_define_opentype_feature:nnnnn
+    {#1} {#2} { \__fontspec_strip_plus_minus:n {#3} } {#3} {}
  }
-
 \cs_new:Nn \__fontspec_strip_plus_minus:n { \__fontspec_strip_plus_minus_aux:Nq #1 \q_nil }
 \cs_new:Npn \__fontspec_strip_plus_minus_aux:Nq #1#2 \q_nil
-  { \str_case:nnF {#1} { {+} {#2} {-} {#2} } {#1#2} }
-
-\cs_set_eq:NN \newICUfeature \newopentypefeature % deprecated
+  {
+    \str_case:nnF {#1} { {+} {#2} {-} {#2} } {#1#2}
+  }
+\DeclareDocumentCommand \newICUfeature {mmm}
+  {
+    \__fontspec_main_newopentypefeature:nnn {#1} {#2} {#3}
+  }
 \DeclareDocumentCommand \aliasfontfeature {mm}
+  {
+    \__fontspec_main_aliasfontfeature:nn {#1} {#2}
+  }
+\cs_set:Nn \__fontspec_main_aliasfontfeature:nn
  {
   \bool_set_false:N \l__fontspec_alias_bool
 
@@ -677,6 +743,10 @@
     { \__fontspec_warning:nx {rename-feature-not-exist} {#1} }
  }
 \DeclareDocumentCommand \aliasfontfeatureoption {mmm}
+  {
+    \__fontspec_main_aliasfontfeatureoption:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_aliasfontfeatureoption:nnn
  {
   \bool_set_false:N \l__fontspec_alias_bool
 
@@ -688,6 +758,18 @@
         \keys_define:nn { ##1 / #1 }
           { #3 .code:n = { \keys_set:nn {##1} { #1 = {#2} } } }
       }
+
+     \keys_if_exist:nnT { ##1 / #1 } {#2Reset}
+      {
+        \keys_define:nn { ##1 / #1 }
+          { #3Reset .code:n = { \keys_set:nn {##1} { #1 = {#2Reset} } } }
+      }
+
+     \keys_if_exist:nnT { ##1 / #1 } {#2Off}
+      {
+        \keys_define:nn { ##1 / #1 }
+          { #3Off .code:n = { \keys_set:nn {##1} { #1 = {#2Off} } } }
+      }
    }
 
   \bool_if:NF \l__fontspec_alias_bool
@@ -702,6 +784,10 @@
   \fontspec_new_lang:nn {#1} {#2}
  }
 \DeclareDocumentCommand \DeclareFontsExtensions {m}
+  {
+    \__fontspec_main_DeclareFontsExtensions:n {#1}
+  }
+\cs_set:Nn \__fontspec_main_DeclareFontsExtensions:n
  {
   \clist_set:Nn \l__fontspec_extensions_clist { #1 }
   \tl_remove_all:Nn \l__fontspec_extensions_clist {~}
@@ -710,6 +796,10 @@
 
 \DeclareDocumentCommand \IfFontFeatureActiveTF {mmm}
   {
+    \__fontspec_main_IfFontFeatureActiveTF:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_IfFontFeatureActiveTF:nnn
+  {
     \__fontspec_if_font_feature:nTF {#1} {#2} {#3}
   }
 \prg_new_conditional:Nnn \__fontspec_if_font_feature:n {TF}
@@ -1524,16 +1614,26 @@
      }
   }
 \cs_new:Nn \__fontspec_define_opentype_feature:nnnnn
- {
-  \__fontspec_feat_prop_add:nn {#3} {#1\,=\,#2}
-  \keys_define:nn {fontspec-opentype}
-   {
-    #1/#2 .code:n =
-      {
-        \__fontspec_make_OT_feature:nnn {#3} {#4} {#5}
-      }
-   }
- }
+  {
+    \__fontspec_feat_prop_add:nn {#3} {#1\,=\,#2}
+      \tl_if_empty:nTF {#4}
+        {
+          \keys_define:nn {fontspec-opentype}
+            {
+              #1/#2 .code:n =
+                { \__fontspec_remove_clashing_featstr:n {#5} }
+            }
+        }
+        {
+          \keys_define:nn {fontspec-opentype}
+            {
+              #1/#2 .code:n =
+                {
+                  \__fontspec_make_OT_feature:nnn {#3} {#4} {#5}
+                }
+            }
+        }
+  }
 \cs_new:Nn \__fontspec_feat_off:n {#1Off}
 \cs_new:Nn \__fontspec_feat_reset:n {#1Reset}
 \cs_new:Nn \__fontspec_define_opentype_onoffreset:nnnnn
diff --git a/Master/texmf-dist/tex/latex/fontspec/fontspec-xetex.sty b/Master/texmf-dist/tex/latex/fontspec/fontspec-xetex.sty
index 5162253dd0b..89a2168a0b8 100644
--- a/Master/texmf-dist/tex/latex/fontspec/fontspec-xetex.sty
+++ b/Master/texmf-dist/tex/latex/fontspec/fontspec-xetex.sty
@@ -32,7 +32,7 @@
 \RequirePackage{expl3}
 \RequirePackage{xparse}
 \ProvidesExplPackage{fontspec-xetex}%
-  {2017/02/12}{2.6}{Font selection for XeLaTeX and LuaLaTeX}
+  {2017/03/31}{2.6a}{Font selection for XeLaTeX and LuaLaTeX}
 \bool_new:N \l__fontspec_firsttime_bool
 \bool_new:N \l__fontspec_nobf_bool
 \bool_new:N \l__fontspec_noit_bool
@@ -467,6 +467,10 @@
     \fi:
   }
 \NewDocumentCommand \fontspec { O{} m O{} }
+  {
+    \__fontspec_main_fontspec:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_fontspec:nnn
  {
   \fontspec_set_family:Nnn \f@family {#1,#3} {#2}
   \fontencoding { \l__fontspec_nfss_enc_tl }
@@ -474,6 +478,10 @@
   \ignorespaces
  }
 \DeclareDocumentCommand \setmainfont { O{} m O{} }
+  {
+    \__fontspec_main_setmainfont:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmainfont:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_rmfamily_family {#1,#3} {#2}
   \tl_set_eq:NN \rmdefault \g__fontspec_rmfamily_family
@@ -490,6 +498,10 @@
   \ignorespaces
  }
 \DeclareDocumentCommand \setsansfont { O{} m O{} }
+  {
+    \__fontspec_main_setsansfont:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setsansfont:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_sffamily_family {#1,#3} {#2}
   \tl_set_eq:NN \sfdefault \g__fontspec_sffamily_family
@@ -506,6 +518,10 @@
   \ignorespaces
  }
 \DeclareDocumentCommand \setmonofont { O{} m O{} }
+  {
+    \__fontspec_main_setmonofont:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmonofont:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_ttfamily_family {#1,#3} {#2}
   \tl_set_eq:NN \ttdefault \g__fontspec_ttfamily_family
@@ -521,23 +537,39 @@
   \normalfont
   \ignorespaces
  }
-\cs_set_eq:NN \setromanfont \setmainfont
+\DeclareDocumentCommand \setromanfont { O{} m O{} }
+  {
+    \__fontspec_main_setmainfont:nnn {#1} {#2} {#3}
+  }
 \DeclareDocumentCommand \setmathrm { O{} m O{} }
+  {
+    \__fontspec_main_setmathrm:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmathrm:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_mathrm_tl {#1} {#2}
  }
-
 \DeclareDocumentCommand \setboldmathrm { O{} m O{} }
+  {
+    \__fontspec_main_setboldmathrm:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setboldmathrm:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_bfmathrm_tl {#1} {#2}
  }
-
 \DeclareDocumentCommand \setmathsf { O{} m O{} }
+  {
+    \__fontspec_main_setmathsf:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmathsf:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_mathsf_tl {#1} {#2}
  }
-
 \DeclareDocumentCommand \setmathtt { O{} m O{} }
+  {
+    \__fontspec_main_setmathtt:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_setmathtt:nnn
  {
   \fontspec_set_family:Nnn \g__fontspec_mathtt_tl {#1} {#2}
  }
@@ -549,6 +581,10 @@
 \tl_set:Nn \g__fontspec_mathsf_tl {\sfdefault}
 \tl_set:Nn \g__fontspec_mathtt_tl {\ttdefault}
 \DeclareDocumentCommand \newfontfamily { m O{} m O{} }
+  {
+    \__fontspec_main_newfontfamily:nnnn {#1} {#2} {#3} {#4}
+  }
+\cs_set:Nn \__fontspec_main_newfontfamily:nnnn
  {
   \fontspec_set_family:cnn { g__fontspec_ \cs_to_str:N #1 _family } {#2,#4} {#3}
   \use:x
@@ -562,21 +598,25 @@
    }
  }
 \DeclareDocumentCommand \newfontface { m O{} m O{} }
+  {
+    \__fontspec_main_newfontface:nnnn {#1} {#2} {#3} {#4}
+  }
+\cs_set:Nn \__fontspec_main_newfontface:nnnn
  {
   \newfontfamily #1 [ BoldFont={},ItalicFont={},SmallCapsFont={},#2,#4 ] {#3}
  }
 \DeclareDocumentCommand \defaultfontfeatures { t+ o m }
- {
-  \IfNoValueTF {#2}
-   { \__fontspec_set_default_features:nn {#1} {#3} }
-   { \__fontspec_set_font_default_features:nnn {#1} {#2} {#3} }
-  \ignorespaces
- }
+  {
+    \IfNoValueTF {#2}
+     { \__fontspec_set_default_features:nn {#1} {#3} }
+     { \__fontspec_set_font_default_features:nnn {#1} {#2} {#3} }
+    \ignorespaces
+  }
 \cs_new:Nn \__fontspec_set_default_features:nn
- {
-  \IfBooleanTF {#1} \clist_put_right:Nn \clist_set:Nn
-   \g__fontspec_default_fontopts_clist {#2}
- }
+  {
+    \IfBooleanTF {#1} \clist_put_right:Nn \clist_set:Nn
+      \g__fontspec_default_fontopts_clist {#2}
+  }
 \cs_new:Nn \__fontspec_set_font_default_features:nnn
  {
   \clist_map_inline:nn {#2}
@@ -600,6 +640,10 @@
    }
  }
 \DeclareDocumentCommand \addfontfeatures {m}
+  {
+    \__fontspec_main_addfontfeatures:n {#1}
+  }
+\cs_set:Nn \__fontspec_main_addfontfeatures:n
  {
   \fontspec_if_fontspec_font:TF
    {
@@ -623,6 +667,10 @@
  }
 \cs_set_eq:NN \addfontfeature \addfontfeatures
 \DeclareDocumentCommand \newfontfeature {mm}
+  {
+    \__fontspec_main_newfontfeature:nn {#1} {#2}
+  }
+\cs_set:Nn \__fontspec_main_newfontfeature:nn
  {
   \keys_define:nn { fontspec }
    {
@@ -633,14 +681,24 @@
    }
  }
 \DeclareDocumentCommand \newAATfeature {mmmm}
+  {
+    \__fontspec_main_newAATfeature:nnnn {#1} {#2} {#3} {#4}
+  }
+\cs_set:Nn \__fontspec_main_newAATfeature:nnnn
  {
   \keys_if_exist:nnF { fontspec } {#1}
     { \__fontspec_define_aat_feature_group:n {#1} }
+
   \keys_if_choice_exist:nnnT {fontspec} {#1} {#2}
     { \__fontspec_warning:nxx {feature-option-overwrite} {#1} {#2} }
+
   \__fontspec_define_aat_feature:nnnn {#1}{#2}{#3}{#4}
  }
 \DeclareDocumentCommand \newopentypefeature {mmm}
+  {
+    \__fontspec_main_newopentypefeature:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_newopentypefeature:nnn
  {
   \keys_if_exist:nnF { fontspec / options } {#1}
     { \__fontspec_define_opentype_feature_group:n {#1} }
@@ -648,15 +706,23 @@
   \keys_if_choice_exist:nnnT {fontspec} {#1} {#2}
     { \__fontspec_warning:nxx {feature-option-overwrite} {#1} {#2} }
 
-  \exp_args:Nnnx \__fontspec_define_opentype_feature:nnnnn {#1}{#2}{ \__fontspec_strip_plus_minus:n {#3} }{#3}{}
+  \exp_args:Nnnx \__fontspec_define_opentype_feature:nnnnn
+    {#1} {#2} { \__fontspec_strip_plus_minus:n {#3} } {#3} {}
  }
-
 \cs_new:Nn \__fontspec_strip_plus_minus:n { \__fontspec_strip_plus_minus_aux:Nq #1 \q_nil }
 \cs_new:Npn \__fontspec_strip_plus_minus_aux:Nq #1#2 \q_nil
-  { \str_case:nnF {#1} { {+} {#2} {-} {#2} } {#1#2} }
-
-\cs_set_eq:NN \newICUfeature \newopentypefeature % deprecated
+  {
+    \str_case:nnF {#1} { {+} {#2} {-} {#2} } {#1#2}
+  }
+\DeclareDocumentCommand \newICUfeature {mmm}
+  {
+    \__fontspec_main_newopentypefeature:nnn {#1} {#2} {#3}
+  }
 \DeclareDocumentCommand \aliasfontfeature {mm}
+  {
+    \__fontspec_main_aliasfontfeature:nn {#1} {#2}
+  }
+\cs_set:Nn \__fontspec_main_aliasfontfeature:nn
  {
   \bool_set_false:N \l__fontspec_alias_bool
 
@@ -674,6 +740,10 @@
     { \__fontspec_warning:nx {rename-feature-not-exist} {#1} }
  }
 \DeclareDocumentCommand \aliasfontfeatureoption {mmm}
+  {
+    \__fontspec_main_aliasfontfeatureoption:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_aliasfontfeatureoption:nnn
  {
   \bool_set_false:N \l__fontspec_alias_bool
 
@@ -685,6 +755,18 @@
         \keys_define:nn { ##1 / #1 }
           { #3 .code:n = { \keys_set:nn {##1} { #1 = {#2} } } }
       }
+
+     \keys_if_exist:nnT { ##1 / #1 } {#2Reset}
+      {
+        \keys_define:nn { ##1 / #1 }
+          { #3Reset .code:n = { \keys_set:nn {##1} { #1 = {#2Reset} } } }
+      }
+
+     \keys_if_exist:nnT { ##1 / #1 } {#2Off}
+      {
+        \keys_define:nn { ##1 / #1 }
+          { #3Off .code:n = { \keys_set:nn {##1} { #1 = {#2Off} } } }
+      }
    }
 
   \bool_if:NF \l__fontspec_alias_bool
@@ -699,6 +781,10 @@
   \fontspec_new_lang:nn {#1} {#2}
  }
 \DeclareDocumentCommand \DeclareFontsExtensions {m}
+  {
+    \__fontspec_main_DeclareFontsExtensions:n {#1}
+  }
+\cs_set:Nn \__fontspec_main_DeclareFontsExtensions:n
  {
   \clist_set:Nn \l__fontspec_extensions_clist { #1 }
   \tl_remove_all:Nn \l__fontspec_extensions_clist {~}
@@ -707,6 +793,10 @@
 
 \DeclareDocumentCommand \IfFontFeatureActiveTF {mmm}
   {
+    \__fontspec_main_IfFontFeatureActiveTF:nnn {#1} {#2} {#3}
+  }
+\cs_set:Nn \__fontspec_main_IfFontFeatureActiveTF:nnn
+  {
     \__fontspec_if_font_feature:nTF {#1} {#2} {#3}
   }
 \prg_new_conditional:Nnn \__fontspec_if_font_feature:n {TF}
@@ -1557,16 +1647,26 @@
      }
   }
 \cs_new:Nn \__fontspec_define_opentype_feature:nnnnn
- {
-  \__fontspec_feat_prop_add:nn {#3} {#1\,=\,#2}
-  \keys_define:nn {fontspec-opentype}
-   {
-    #1/#2 .code:n =
-      {
-        \__fontspec_make_OT_feature:nnn {#3} {#4} {#5}
-      }
-   }
- }
+  {
+    \__fontspec_feat_prop_add:nn {#3} {#1\,=\,#2}
+      \tl_if_empty:nTF {#4}
+        {
+          \keys_define:nn {fontspec-opentype}
+            {
+              #1/#2 .code:n =
+                { \__fontspec_remove_clashing_featstr:n {#5} }
+            }
+        }
+        {
+          \keys_define:nn {fontspec-opentype}
+            {
+              #1/#2 .code:n =
+                {
+                  \__fontspec_make_OT_feature:nnn {#3} {#4} {#5}
+                }
+            }
+        }
+  }
 \cs_new:Nn \__fontspec_feat_off:n {#1Off}
 \cs_new:Nn \__fontspec_feat_reset:n {#1Reset}
 \cs_new:Nn \__fontspec_define_opentype_onoffreset:nnnnn
diff --git a/Master/texmf-dist/tex/latex/fontspec/fontspec.cfg b/Master/texmf-dist/tex/latex/fontspec/fontspec.cfg
index 3301e3eb594..7cb182e3be7 100644
--- a/Master/texmf-dist/tex/latex/fontspec/fontspec.cfg
+++ b/Master/texmf-dist/tex/latex/fontspec/fontspec.cfg
@@ -18,4 +18,5 @@
 \defaultfontfeatures
  [\ttfamily]
  {WordSpace={1,0,0},
+  HyphenChar=None,
   PunctuationSpace=WordSpace}
diff --git a/Master/texmf-dist/tex/latex/fontspec/fontspec.lua b/Master/texmf-dist/tex/latex/fontspec/fontspec.lua
index 771b29a7deb..e78349f6e7c 100644
--- a/Master/texmf-dist/tex/latex/fontspec/fontspec.lua
+++ b/Master/texmf-dist/tex/latex/fontspec/fontspec.lua
@@ -15,8 +15,8 @@ fontspec          = fontspec or {}
 local fontspec    = fontspec
 fontspec.module   = {
     name          = "fontspec",
-    version       = "2.6",
-    date          = "2017/02/12",
+    version       = "2.6a",
+    date          = "2017/03/31",
     description   = "Font selection for XeLaTeX and LuaLaTeX",
     author        = "Khaled Hosny, Philipp Gesang, Will Robertson",
     copyright     = "Khaled Hosny, Philipp Gesang, Will Robertson",
diff --git a/Master/texmf-dist/tex/latex/fontspec/fontspec.sty b/Master/texmf-dist/tex/latex/fontspec/fontspec.sty
index 7d29a5e6623..9c2f6854a16 100644
--- a/Master/texmf-dist/tex/latex/fontspec/fontspec.sty
+++ b/Master/texmf-dist/tex/latex/fontspec/fontspec.sty
@@ -13,7 +13,7 @@
 \RequirePackage{expl3}
 \RequirePackage{xparse}
 \ProvidesExplPackage{fontspec}%
-  {2017/02/12}{2.6}{Font selection for XeLaTeX and LuaLaTeX}
+  {2017/03/31}{2.6a}{Font selection for XeLaTeX and LuaLaTeX}
 \sys_if_engine_luatex:T
   { \RequirePackage{luaotfload}
     \directlua{require("fontspec")}