--- a/lib/texinputs/isabelle.sty Wed Oct 18 23:39:19 2000 +0200
+++ b/lib/texinputs/isabelle.sty Wed Oct 18 23:39:49 2000 +0200
@@ -23,8 +23,8 @@
\newcommand{\isamath}[1]{\emph{$#1$}}
\newcommand{\isatext}[1]{\emph{#1}}
\newcommand{\isascriptstyle}{\def\isamath##1{##1}\def\isatext##1{\mbox{\isastylescript##1}}}
-\newcommand{\isactrlsub}[1]{\emph{\isascriptstyle${}_{#1}$}}
-\newcommand{\isactrlsup}[1]{\emph{\isascriptstyle${}^{#1}$}}
+\newcommand{\isactrlsub}[1]{\emph{\isascriptstyle${}\sb{#1}$}}
+\newcommand{\isactrlsup}[1]{\emph{\isascriptstyle${}\sp{#1}$}}
\newdimen\isa@parindent\newdimen\isa@parskip
@@ -141,7 +141,7 @@
\renewcommand{\isacharbraceleft}{\isamath{\{}}%
\renewcommand{\isacharbar}{\isamath{\mid}}%
\renewcommand{\isacharbraceright}{\isamath{\}}}%
-\renewcommand{\isachartilde}{\isamath{{}^\sim}}%
+\renewcommand{\isachartilde}{\isamath{{}\sp{\sim}}}%
}
\newcommand{\isabellestylesl}{%