diff -r cb8d2470623b -r 23a380cc45f4 src/Doc/isar.sty
--- a/src/Doc/isar.sty	Mon Oct 20 14:11:14 2014 +0200
+++ b/src/Doc/isar.sty	Mon Oct 20 16:52:36 2014 +0200
@@ -4,7 +4,7 @@
 {\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{\isasystem}[1]{{\def\isacharminus{-}\def\isacharunderscore{\_}\tt #1}}
 \newcommand{\isatool}[1]{{\def\isacharminus{-}\def\isacharunderscore{\_}\tt isabelle #1}}
 
 \newcommand{\indexoutertoken}[1]{\indexdef{}{syntax}{#1}}