From fa1cceb91f7e701248f38f6608bbae4de7adc4f6 Mon Sep 17 00:00:00 2001
From: Fred Drake <fdrake@acm.org>
Date: Mon, 30 Nov 1998 14:42:59 +0000
Subject: [PATCH] Make \var work correctly in math mode.

---
 Doc/texinputs/python.sty | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Doc/texinputs/python.sty b/Doc/texinputs/python.sty
index c49e7bf082a..c579adc7e9e 100644
--- a/Doc/texinputs/python.sty
+++ b/Doc/texinputs/python.sty
@@ -626,8 +626,14 @@
 \newcommand{\samp}[1]{`\code{#1}'}
 % This weird definition of \var{} allows it to always appear in roman
 % italics, and won't get funky in code fragments when we play around
-% with fonts.
-\newcommand{\var}[1]{\normalsize\textrm{\textit{#1\/}}}
+% with fonts.  This also works directly in math mode.
+\newcommand{\var}[1]{%
+  \ifmmode%
+    \hbox{\normalsize\textrm{\textit{#1\/}}}%
+  \else%
+    \normalsize\textrm{\textit{#1\/}}%
+  \fi%
+}
 \renewcommand{\emph}[1]{{\em #1}}
 \newcommand{\dfn}[1]{\emph{#1}}
 \newcommand{\strong}[1]{{\bf #1}}