diff -r b52f9205a02d -r 1e6d71cd4bf3 doc-src/isar.sty
--- a/doc-src/isar.sty	Sun Sep 14 21:50:35 2008 +0200
+++ b/doc-src/isar.sty	Mon Sep 15 16:40:53 2008 +0200
@@ -7,6 +7,8 @@
 {\ifthenelse{\equal{}{#1}}{\index{#3 (#2)|bold}}{\index{#3 (#1\ #2)|bold}}}
 \newcommand{\indexref}[3]{\ifthenelse{\equal{}{#1}}{\index{#3 (#2)}}{\index{#3 (#1\ #2)}}}
 
+\newcommand{\isatt}[1]{{\def\isacharminus{-}\def\isacharunderscore{\_}\tt #1}}
+
 \newcommand{\indexoutertoken}[1]{\indexdef{}{syntax}{#1}}
 \newcommand{\indexouternonterm}[1]{\indexdef{}{syntax}{#1}}
 \newcommand{\indexisarelem}[1]{\indexdef{}{element}{#1}}