From 5148f5bf826914395fbd710075aa61994a880540 Mon Sep 17 00:00:00 2001
From: Joe Orton <jorton@redhat.com>
Date: Sun, 5 Jan 2003 19:10:43 +0000
Subject: [PATCH] Prevent a line beginning with a '.' character being
 interpreted as a troff macro by inserting \& (a zero-width space) before
 every '.' in text.

---
 xsl/manpages/docbook.xsl | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/xsl/manpages/docbook.xsl b/xsl/manpages/docbook.xsl
index a2fe36fb3..ad831d4a5 100644
--- a/xsl/manpages/docbook.xsl
+++ b/xsl/manpages/docbook.xsl
@@ -421,6 +421,18 @@
   </xsl:call-template>
 </xsl:template>
 
+<!-- if a period character is output at the beginning of a line
+  it will be interpreted as a groff macro, so prefix all periods
+  with "\&", a zero-width space. -->
+<xsl:template name="replace-period">
+  <xsl:param name="content" select="''"/>
+  <xsl:call-template name="replace-string">
+    <xsl:with-param name="content" select="$content"/>
+    <xsl:with-param name="replace" select="'.'"/>
+    <xsl:with-param name="with" select="'\&#38;.'"/>
+  </xsl:call-template>
+</xsl:template>
+
 <xsl:template name="replace-entities">
   <xsl:param name="content" select="''"/>
   <xsl:call-template name="replace-hellip">
@@ -431,8 +443,12 @@
             <xsl:with-param name="content">
               <xsl:call-template name="replace-setmn">
                 <xsl:with-param name="content">
-		  <xsl:call-template name="replace-backslash">
-		    <xsl:with-param name="content" select="$content"/>
+		  <xsl:call-template name="replace-period">
+                    <xsl:with-param name="content">
+                      <xsl:call-template name="replace-backslash">
+		        <xsl:with-param name="content" select="$content"/>
+                      </xsl:call-template>
+                    </xsl:with-param>
 		  </xsl:call-template>
                 </xsl:with-param>
               </xsl:call-template>
-- 
2.40.0