at.dtx: Don't use `@'-commands in section headings.

Alas, they don't -- and, I think, can't -- work in PDF strings, since
scanning the command name works using `\futurelet', which is a TeX
command rather than an expansion.

diff --git a/at.dtx b/at.dtx
index b8a92510eb8c6e592fbf4d84650924b542b70798..a9b7d0045deef43277579f988002576cd3917d27 100644 (file)
--- a/at.dtx
+++ b/at.dtx
@@ -58,6 +58,8 @@
 %<*driver>
 \input{mdwtools}
 \describespackage{at}
 %<*driver>
 \input{mdwtools}
 \describespackage{at}

+\def\atsign{@}
+\def\athyphen{@\mbox{-}}

 \aton
 \atlet p=\package
 \atdef at{\package{at}}
 \aton
 \atlet p=\package
 \atdef at{\package{at}}


@@ -106,7 +108,7 @@
 % usual scoping rules.  Both of these commands have corresponding
 % environments with the same names (without the leading `|\|', obviously).
 %
 % usual scoping rules.  Both of these commands have corresponding
 % environments with the same names (without the leading `|\|', obviously).
 %

-% \subsection{Defining @-commands}
+% \subsection{Defining \athyphen commands}

 %
 % \DescribeMacro{\newatcommand}
 % \DescribeMacro{\renewatcommand}
 %
 % \DescribeMacro{\newatcommand}
 % \DescribeMacro{\renewatcommand}


@@ -147,7 +149,7 @@
 % use fragile commands in their definitions.  Unless you start doing very
 % strange things, @-commands never need |\protect|ing.
 %
 % use fragile commands in their definitions.  Unless you start doing very
 % strange things, @-commands never need |\protect|ing.
 %

-% \subsection{Predefined @-commands}
+% \subsection{Predefined \athyphen commands}

 %
 % A small number of hopefully useful commands are provided by default.
 % These are described in the table below:
 %
 % A small number of hopefully useful commands are provided by default.
 % These are described in the table below:


@@ -545,7 +547,7 @@
 % \end{macro}
 %
 %
 % \end{macro}
 %
 %

-% \subsection{Robustness of @-commands}
+% \subsection{Robustness of \athyphen commands}

 %
 % We want all @-commands to be robust.  We could leave them all being
 % fragile, although making robust @-commands would then be almost impossible.
 %
 % We want all @-commands to be robust.  We could leave them all being
 % fragile, although making robust @-commands would then be almost impossible.


@@ -723,7 +725,7 @@
 % \end{macro}
 % \end{macro}
 %
 % \end{macro}
 % \end{macro}
 %

-% \subsection{Default @-commands}
+% \subsection{Default \athyphen commands}

 %
 % We define some trivial examples to get the user going.
 %
 %
 % We define some trivial examples to get the user going.
 %