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-rw-r--r--macros/latex/base/ltfssdcl.dtx18
1 files changed, 11 insertions, 7 deletions
diff --git a/macros/latex/base/ltfssdcl.dtx b/macros/latex/base/ltfssdcl.dtx
index 291cd1368f..9710d54382 100644
--- a/macros/latex/base/ltfssdcl.dtx
+++ b/macros/latex/base/ltfssdcl.dtx
@@ -1,7 +1,7 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2020
-% The LaTeX3 Project and any individual authors listed elsewhere
+% Copyright (C) 1993-2021
+% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
% This file is part of the LaTeX base system.
@@ -36,7 +36,7 @@
%
%
\ProvidesFile{ltfssdcl.dtx}
- [2020/03/19 v3.0v LaTeX Kernel (NFSS Declarative Interface)]
+ [2021/02/15 v3.0w LaTeX Kernel (NFSS Declarative Interface)]
% \iffalse
\documentclass{ltxdoc}
\begin{document}
@@ -490,7 +490,11 @@
in version \math@version}%
\@eha
\fi
- \else \expandafter\non@alpherr\fi
+% \end{macrocode}
+% extra \cs{expandafter} to remove the \cs{expandafter} added below
+% \changes{v3.0w}{2021/02/115}{fix for (gh/501)}
+% \begin{macrocode}
+ \else \expandafter\expandafter\expandafter\non@alpherr\fi
% \end{macrocode}
% If the legacy interface is used, e.g., \verb=$\sf -1$= the math
% alphabet \verb=#1= does not take an argument so we better do not
@@ -747,7 +751,7 @@
\@font@info{Redeclaring symbol font `#1'}%
% \end{macrocode}
% \changes{v3.0f}{1997/11/13}
-% {(DPC) Really update \cs{group@list} dont
+% {(DPC) Really update \cs{group@list} don't
% leave new version in \cs{toks@}. latex/2661}
% Update the group list.
% \begin{macrocode}
@@ -1526,7 +1530,7 @@
\def\set@mathdelimiter#1#2#3#4#5#6{%
% \end{macrocode}
% We use \cs{protected} not \cs{MakeRobust} so that
-% \verb=\bigl\lfoor= etc.\ works inside \cs{protected@edef}.
+% \verb=\bigl\lfoor= etc.\ works inside the argument of \cs{protected@edef}.
% \changes{v3.0s}{2019/08/27}{Make math delimiters robust}
% \changes{v3.0t}{2020/01/20}{fix for gh/251}
% \begin{macrocode}
@@ -1733,7 +1737,7 @@
\relax
% \end{macrocode}
% If it is undefined, fine otherwise check if it is a math alphabet
-% defined via |\DeclareSymbolFontAlphabet|:
+% defined via \\ |\DeclareSymbolFontAlphabet|:
% \begin{macrocode}
\else
\edef\reserved@a{%