from review: \LaTeX{} and no \relax

required/firstaid/latex2e-first-aid-for-external-files.dtx

@@ -65,7 +65,7 @@
 %
 %    For that reason, it is put into a separate bundle so that we can
 %    update it easily without requiring the CTAN maintainers to
-%    install a new full LaTeX system just because we take out (or add)
+%    install a new full \LaTeX{} system just because we take out (or add)
 %    a fix for a package here.
 %
 %    In the best case scenario the file documented here should be
@@ -429,7 +429,7 @@
 % \subsection{The \pkg{songs} package first aid}
 %
 %    The songs package uses \cs{obeylines} and redefines \cs{par} for special effect.
-%    this no longer works in LaTeX 2022-06-01 (gh issue 367). The following
+%    this no longer works in \LaTeX{} 2022-06-01 (gh issue 367). The following
 %    fixes at least one failure.
 %    \begin{macrocode}
 \AddToHook{file/songs.sty/after}[firstaid]{%
@@ -445,7 +445,7 @@
 %
 % \subsection{The \pkg{crop} package first aid}
 %
-%    The crop packages fails currently due to two LaTeX changes:
+%    The crop packages fails currently due to two \LaTeX{} changes:
 %    It doesn't know that \cs{stockheight} and \cs{stockwidth} 
 %    are now defined, and doesn't take into account that \cs{rlap}
 %    is robust (https://github.com/rrthomas/crop/issues/2).
@@ -456,8 +456,8 @@
 \AddToHook{file/crop.sty/after}[firstaid]{%
   \FirstAidNeededT{crop}{sty}{2017/11/19 1.10 crop marks (mf)}%
                   {%
-  \ifdim\stockwidth  > 0pt\relax \else \stockwidth\paperwidth \fi  
-  \ifdim\stockheight > 0pt\relax \else \stockheight\paperheight \fi 
+  \ifdim\stockwidth  > 0pt \else \stockwidth\paperwidth \fi  
+  \ifdim\stockheight > 0pt \else \stockheight\paperheight \fi 
   \renewcommand*\CROP@genreflect[1]{%
     \leavevmode
     \dimen0\CROP@horigin