From cc2c1ffbfbf7608b6eab95ce57833458fb11a6ec Mon Sep 17 00:00:00 2001
From: Sebastian Kuhnert
Date: Thu, 14 Aug 2008 15:39:07 +0000
Subject: exercisesheets.sty: allow \and in \author

---
 exercisesheets.sty | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'exercisesheets.sty')

diff --git a/exercisesheets.sty b/exercisesheets.sty
index bbf53a2..42c5d42 100644
--- a/exercisesheets.sty
+++ b/exercisesheets.sty
@@ -43,7 +43,14 @@
   \pgfkeys{/exsh/semester/.initial/.expand once=\@date}
 }
 \apptocmd{\date}{\pgfkeys{/exsh/semester={#1}}}{}{}
-\pgfkeys{/exsh/author/.initial/.expand once=\@author}
+\def\exsh@patchauthor{%
+  \patchcmd{\exsh@author}{\and}{, }{\exsh@patchauthor}{}%
+}
+\pgfkeys{/exsh/author/.code={%
+    \def\exsh@author{#1}%
+    \exsh@patchauthor
+  },
+  /exsh/author/.expand once=\@author}
 \let\exsh@oldauthor\author
 \def\author#1{\exsh@oldauthor{#1}\pgfkeys{/exsh/author={#1}}}
 
@@ -357,7 +364,7 @@
     \begingroup\raggedright%
       {\pgfkeysvalueof{/exsh/subject font}\pgfkeysvalueof{/exsh/subject}}\hfill
       {\pgfkeysvalueof{/exsh/semester font}\pgfkeysvalueof{/exsh/semester}}\\
-      {\pgfkeysvalueof{/exsh/author font}\pgfkeysvalueof{/exsh/author}}\hfill
+      {\pgfkeysvalueof{/exsh/author font}\exsh@author}\hfill
       {\pgfkeysvalueof{/exsh/date font}\pgfkeysvalueof{/exsh/date}}\\
       \vskip\pgfkeysvalueof{/exsh/above sheet title skip}\relax%
     \endgroup
-- 
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