From 7defee7a06637633d3561f752b644b21d4797243 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 27 Feb 1995 17:52:35 +0000
Subject: document restriction on group names

---
 Doc/lib/libregex.tex | 3 ++-
 Doc/libregex.tex     | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Doc/lib/libregex.tex b/Doc/lib/libregex.tex
index f3df684..10abece 100644
--- a/Doc/lib/libregex.tex
+++ b/Doc/lib/libregex.tex
@@ -88,7 +88,8 @@ parentheses-enclosed group begins with a group name in angular
 brackets, e.g. \code{'\e(<id>[a-z][a-z0-9]*\e)'}, the group can
 be referenced by its name in arguments to the \code{group} method of
 the resulting compiled regular expression object, like this:
-\code{p.group('id')}.
+\code{p.group('id')}.  Group names may contain alphanumeric characters
+and \code{'_'} only.
 \end{funcdesc}
 
 \begin{excdesc}{error}
diff --git a/Doc/libregex.tex b/Doc/libregex.tex
index f3df684..10abece 100644
--- a/Doc/libregex.tex
+++ b/Doc/libregex.tex
@@ -88,7 +88,8 @@ parentheses-enclosed group begins with a group name in angular
 brackets, e.g. \code{'\e(<id>[a-z][a-z0-9]*\e)'}, the group can
 be referenced by its name in arguments to the \code{group} method of
 the resulting compiled regular expression object, like this:
-\code{p.group('id')}.
+\code{p.group('id')}.  Group names may contain alphanumeric characters
+and \code{'_'} only.
 \end{funcdesc}
 
 \begin{excdesc}{error}
-- 
cgit v0.12

