diff -r ca9fa1844fd6 -r 80273a002e37 doc-src/isabelle.sty
--- a/doc-src/isabelle.sty	Tue Jun 24 22:13:19 2008 +0200
+++ b/doc-src/isabelle.sty	Tue Jun 24 22:27:36 2008 +0200
@@ -31,8 +31,10 @@
 \DeclareRobustCommand{\isactrlesup}{\egroup\egroup\endmath\egroup}
 \newcommand{\isactrlbold}[1]{{\bfseries\upshape\boldmath#1}}
 \newcommand{\isactrlloc}[1]{{\bfseries\upshape\boldmath#1}}
+
 \newenvironment{isaantiq}{{\isacharat\isacharbraceleft}}{{\isacharbraceright}}
-
+\newcommand{\isaantiqopen}{\isakeyword{\isacharbraceleft}}
+\newcommand{\isaantiqclose}{\isakeyword{\isacharbraceright}}
 
 \newdimen\isa@parindent\newdimen\isa@parskip