From 7a730be185fb32ba3680e3824804ec8b02414f8c Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@pond.sub.org>
Date: Sat, 11 May 2013 16:20:51 +0200
Subject: [PATCH] Tighten up emp2html's info reference recognition

Combine the two loops looking for \*QNAME\*U and "info NAME" into one.
Recognize "info NAME" only with the closing '"' to be present.

No change with current info sources.
---
 info/emp2html.pl | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/info/emp2html.pl b/info/emp2html.pl
index 0cd13424..7b7d82e7 100644
--- a/info/emp2html.pl
+++ b/info/emp2html.pl
@@ -182,11 +182,12 @@ sub htmlify {
     s/\\e/&\#92;/g;		# escape character
     # turn quoted strings that look like info names into links
     # tacky...
-    while (/(\\\*Q)([A-Za-z0-9\-\.]+)(\\\*U)/) {
-	$_ = $` . anchor($2) . "$'";
-    }
-    while (/(\"info )([A-Za-z0-9\-\.]+)/) {
-	$_ = "$`\"info " . anchor($2) . "$'";
+    while (/\\\*Q([A-Za-z0-9\-\.]+)\\\*U|\"info ([A-Za-z0-9\-\.]+)\"/) {
+	if (defined $1) {
+	    $_ = $` . anchor($1) . "$'";
+	} else {
+	    $_ = "$`\"info " . anchor($2) . "\"$'";
+	}
     }
     # tranlate more troff escapes and strings
     s/\\\*Q/<em>/g;