diff -r 8c6b4f7548e3 -r 6cf96b9f7b9e doc-src/TutorialI/isabelle.sty
--- a/doc-src/TutorialI/isabelle.sty	Thu Apr 12 15:01:13 2007 +0200
+++ b/doc-src/TutorialI/isabelle.sty	Thu Apr 12 15:35:29 2007 +0200
@@ -31,6 +31,7 @@
 \newcommand{\isactrlesup}{\egroup\egroup\end{math}\egroup}
 \newcommand{\isactrlbold}[1]{{\bfseries\upshape\boldmath#1}}
 \newcommand{\isactrlloc}[1]{{\bfseries\upshape\boldmath#1}}
+\newenvironment{isaantiq}{{\isacharat\isacharbraceleft}}{{\isacharbraceright}}
 
 
 \newdimen\isa@parindent\newdimen\isa@parskip