fixdif (9jul22)

git-svn-id: svn://tug.org/texlive/trunk@63851 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 29 insertions, 29 deletions

diff --git a/Master/texmf-dist/tex/latex/fixdif/fixdif.sty b/Master/texmf-dist/tex/latex/fixdif/fixdif.sty
index bcea188cb8e..10572213e4a 100644
--- a/Master/texmf-dist/tex/latex/fixdif/fixdif.sty
+++ b/Master/texmf-dist/tex/latex/fixdif/fixdif.sty
@@ -61,54 +61,54 @@
   \def\@@dif{#1{d}}}
 \def\@dif{\mathinner{\@@dif}\mup@tch}
 \let\d@accent\d
-\gdef\d{\relax\ifmmode\@dif\else\expandafter\d@accent\fi}
-\def\@letdif#1#2{\AtBeginDocument{
-  \ifcsname #2@old\endcsname\else
-  \expandafter\let\csname #2@old\expandafter\endcsname%
-    \csname #2\endcsname
-  \fi
-  \gdef#1{\mathinner{\csname #2@old\endcsname}\mup@tch}
+\DeclareRobustCommand\d{\ifmmode\@dif\else\expandafter\d@accent\fi}
+\def\@letdif#1#2{\AtBeginDocument{%
+  \ifcsname #2@old\endcsname\else%
+  \expandafter\let\csname #2@old\expandafter\endcsname
+    \csname #2\endcsname%
+  \fi%
+  \gdef#1{\mathinner{\csname #2@old\endcsname}\mup@tch}%
 }}
-\def\s@letdif#1#2{\AtBeginDocument{
-  \ifcsname #2@old\endcsname\else
-  \expandafter\let\csname #2@old\expandafter\endcsname%
-    \csname #2\endcsname
-  \fi
-  \gdef#1{\mathinner{\s@beforep@tch\csname #2@old\endcsname\mbox{}}\mup@tch}
+\def\s@letdif#1#2{\AtBeginDocument{%
+  \ifcsname #2@old\endcsname\else%
+  \expandafter\let\csname #2@old\expandafter\endcsname
+    \csname #2\endcsname%
+  \fi%
+  \gdef#1{\mathinner{\s@beforep@tch\csname #2@old\endcsname\mbox{}}\mup@tch}%
 }}
 \def\letdif{\@ifstar\s@letdif\@letdif}
-\long\def\@newdif#1#2{\AtBeginDocument{
+\long\def\@newdif#1#2{\AtBeginDocument{%
   \ifdefined#1
     \PackageError{fixdif}{\string#1 is already defined.}
-      {Try another command instead of \string#1.}
+      {Try another command instead of \string#1.}%
   \else
-    \long\gdef#1{\mathinner{#2}\mup@tch}
-  \fi
+    \long\gdef#1{\mathinner{#2}\mup@tch}%
+  \fi%
 }}
-\long\def\s@newdif#1#2{\AtBeginDocument{
+\long\def\s@newdif#1#2{\AtBeginDocument{%
   \ifdefined#1
   \PackageError{fixdif}{\string#1 is already defined.}
-    {Try another command instead of \string#1.}
+    {Try another command instead of \string#1.}%
   \else
-    \long\gdef#1{\s@beforep@tch\mathinner{#2\mbox{}}\mup@tch}
-  \fi
+    \long\gdef#1{\s@beforep@tch\mathinner{#2\mbox{}}\mup@tch}%
+  \fi%
 }}
 \def\newdif{\@ifstar\s@newdif\@newdif}
-\long\def\@renewdif#1#2{\AtBeginDocument{
+\long\def\@renewdif#1#2{\AtBeginDocument{%
   \ifdefined#1
-    \long\gdef#1{\mathinner{#2}\mup@tch}
+    \long\gdef#1{\mathinner{#2}\mup@tch}%
   \else
     \PackageError{fixdif}{\string#1 has not been defined yet.}
-      {You should use \string\newdif instead of \string\renewdif.}
-  \fi
+      {You should use \string\newdif instead of \string\renewdif.}%
+  \fi%
 }}
-\long\def\s@renewdif#1#2{\AtBeginDocument{
+\long\def\s@renewdif#1#2{\AtBeginDocument{%
   \ifdefined#1
-    \long\gdef#1{\s@beforep@tch\mathinner{#2\mbox{}}\mup@tch}
+    \long\gdef#1{\s@beforep@tch\mathinner{#2\mbox{}}\mup@tch}%
   \else
     \PackageError{fixdif}{\string#1 has not been defined yet.}
-      {You should use \string\newdif instead of \string\renewdif.}
-  \fi
+      {You should use \string\newdif instead of \string\renewdif.}%
+  \fi%
 }}
 \def\renewdif{\@ifstar\s@renewdif\@renewdif}
 \endinput