Make doc build

base/ltcmd.dtx

@@ -1934,8 +1934,10 @@
 %
 % \subsubsection{Copying a command and its internal structure}
 %
+%    \begin{macrocode}
 %<latexrelease>\IncludeInRelease{2021/11/15}{\@@_copy:NN}%
 %<latexrelease>  {Support \NewCommandCopy in ltcmd}
+%    \end{macrocode}
 % Since the 2020-10-01 \LaTeXe{} release, support for copying and
 % showing the definition of robust commands is available, but the
 % specifics of each command is implemented separately.  Here we'll add
@@ -2215,8 +2217,10 @@
 %
 % \subsubsection{Showing the definition of a command}
 %
+%    \begin{macrocode}
 %<latexrelease>\IncludeInRelease{2021/11/15}{\@@_show:N}%
 %<latexrelease>  {Support \ShowCommand in ltcmd}
+%    \end{macrocode}
 % To show the definition of a command we need more or less the same
 % building blocks as for copying, except that instead of making a copy,
 % we'll just print stuff to the terminal.
@@ -2277,7 +2281,6 @@
   { { \__kernel_cmd_if_xparse:NTF \@@_show:N } }
 %    \end{macrocode}
 % \end{macro}
-% \end{macro}
 %
 % Not much to do regarding \pkg{latexrelease}: we could remove the
 % entries from \cs{@showcommandlisthook}, but it doesn't seem