From 5da5a683251b6fd8de823b7f0ec5e2fa996e6556 Mon Sep 17 00:00:00 2001
From: Fred Drake <fdrake@acm.org>
Date: Wed, 8 Jul 1998 21:37:25 +0000
Subject: [PATCH] Fix suggested by Lorenzo M. Catucci
 <lorenzo@argon.roma2.infn.it> to keep the large letter at the top of each
 index section with at least the first entry for that letter.

---
 Doc/texinputs/myindex.ist | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Doc/texinputs/myindex.ist b/Doc/texinputs/myindex.ist
index bfc2e34c8e9..9ffa0f959f9 100644
--- a/Doc/texinputs/myindex.ist
+++ b/Doc/texinputs/myindex.ist
@@ -3,7 +3,7 @@ headings_flag 1
 heading_prefix "  \\bigletter "
 
 preamble "\\begin{theindex}
-\\def\\bigletter#1{{\\Large\\sffamily#1}\\vspace{1mm}}
+\\def\\bigletter#1{{\\Large\\sffamily#1}\\nopagebreak\\vspace{1mm}}
 
 "