diff -r 3ee8ddca092d -r 8005c92a85d7 doc-src/iman.sty
--- a/doc-src/iman.sty	Fri Oct 29 18:31:08 1999 +0200
+++ b/doc-src/iman.sty	Fri Oct 29 19:00:51 1999 +0200
@@ -113,6 +113,9 @@
 \newenvironment{matharray}[1]{\[\begin{array}{#1}}{\end{array}\]}
 \newcommand{\text}[1]{\mbox{#1}}
 
+\DeclareMathSymbol{\dshsym}{\mathalpha}{letters}{"2D}
+\newcommand{\dsh}{\mathit{\dshsym}}
+
 \let\int=\cap
 \let\un=\cup
 \let\inter=\bigcap