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diff --git a/Master/texmf-dist/tex/latex/graphics/mathcolor.ltx b/Master/texmf-dist/tex/latex/graphics/mathcolor.ltx
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+%%
+%% This is file `mathcolor.ltx',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% mathcolor.dtx (with options: `code')
+%%
+%% The source is maintained by the LaTeX Project team and bug
+%% reports for it can be opened at https://latex-project.org/bugs/
+%% (but please observe conditions on bug reports sent to that address!)
+%%
+%%
+%% File: mathcolor.dtx (C) Copyright 2021-2022
+%%% From File: mathcolor.dtx
+\def\mathcolorversion{v1.0b}
+\def\mathcolordate{2022/01/28}
+
+
+\ifcsname mathcolor\endcsname \endinput \fi
+\ExplSyntaxOn
+\seq_new:N \g__mathcolor_seq
+\DeclareDocumentCommand \mathcolor { o m m } {
+ \mode_if_math:F { \non@alpherr {\mathcolor\space} }
+ \seq_gpush:No \g__mathcolor_seq \current@color
+ \group_insert_after:N \use_none:n
+ \IfValueTF{#1} { \color[#1]{#2} }{ \color{#2} }
+ #3
+ \__mathcolor_scan_for_scripts:w
+}
+\cs_new_protected:Npn \__mathcolor_scan_for_scripts:w {
+ \__mathcolor_peek_catcode_ignore_filler_expand:NTF \c_math_subscript_token
+ { \__mathcolor_handle_scripts:Nw }
+ { \token_if_math_superscript:NTF \l_peek_token
+ { \__mathcolor_handle_scripts:Nw }
+ { \token_case_meaning:NnTF \l_peek_token
+ {
+ \limits { \limits }
+ \nolimits { \nolimits }
+ \displaylimits { \displaylimits }
+ }
+ { \__mathcolor_scan_for_scripts:w \use_none:n }
+ { \peek_meaning_remove:NTF '
+ { \__mathcolor_handle_scripts:Nw ^\c_group_begin_token \prim@s }
+ { \reset@color
+ \seq_gpop:NN \g__mathcolor_seq \current@color
+ }
+ }
+ }
+ }
+}
+
+\cs_new_protected:Npn \__mathcolor_handle_scripts:Nw #1 {
+ #1 \c_group_begin_token \c_group_begin_token
+ \seq_get:NN \g__mathcolor_seq \current@color
+ \set@color
+ \group_insert_after:N \c_group_end_token
+ \group_insert_after:N \__mathcolor_scan_for_scripts:w
+ \__mathcolor_peek_catcode_ignore_filler_expand:NTF \c_group_begin_token
+ { \peek_catcode_remove:NT \c_group_begin_token { } }
+ { \__mathcolor_handle_unbraced_script:N }
+ }% \end{macrocode}
+
+\cs_new_protected:Npn \__mathcolor_handle_unbraced_script:N #1 {
+ #1 \c_group_end_token }
+\tl_new:N \l__mathcolor_peek_tmp_tl
+\cs_new_protected:Npn \__mathcolor_peek_catcode_ignore_filler_expand:NTF #1#2#3
+ {
+ \tl_set:Nn \l__mathcolor_peek_tmp_tl
+ { \token_if_eq_catcode:NNTF \l_peek_token #1 {#2} {#3} }
+ \__mathcolor_peek_expand:w
+ }
+\cs_new_protected:Npn \__mathcolor_peek_expand:w
+ {
+ \exp_after:wN \peek_catcode_remove:NTF
+ \exp_after:wN \c_space_token
+ \exp_after:wN \__mathcolor_peek_test_expand:w
+ \exp_after:wN \__mathcolor_peek_test_relax:w
+ \exp:w \exp_end_continue_f:w
+ }
+\cs_new_protected:Npn \__mathcolor_peek_test_expand:w
+ {
+ \token_if_expandable:NTF \l_peek_token
+ { \__mathcolor_peek_expand:w }
+ { \l__mathcolor_peek_tmp_tl }
+ }
+\cs_new_protected:Npn \__mathcolor_peek_test_relax:w
+ {
+ \peek_meaning_remove:NTF \scan_stop:
+ { \__mathcolor_peek_expand:w }
+ { \__mathcolor_peek_test_expand:w }
+ }
+\ExplSyntaxOff
+
+%%%%%%%%%%%%%%%%
+\endinput
+%%
+%% End of file `mathcolor.ltx'.