From 886406c2301efba1dd894aab7c01c132b4ee9eac Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Fri, 31 Oct 2008 14:35:30 +0000
Subject: [PATCH] The conversion rule from postgres.sgml to postgres.xml didn't
 work with BSD sed.  So write it in Perl, which is more portable and a bit
 faster, too. We already use Perl for standard documentation builds, so this
 imposes no additional requirement.

---
 doc/src/sgml/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/src/sgml/Makefile b/doc/src/sgml/Makefile
index b3cf38d7e9..9974796498 100644
--- a/doc/src/sgml/Makefile
+++ b/doc/src/sgml/Makefile
@@ -228,8 +228,8 @@ XSLTPROC = xsltproc
 
 postgres.xml: postgres.sgml $(GENERATED_SGML)
 	$(OSX) -D. -x lower $< | \
-	  sed -e 's/\[\(amp\|copy\|egrave\|gt\|lt\|mdash\|nbsp\|ouml\|pi\|quot\|uuml\) *\]/\&\1;/g' \
-	      -e '1a\' -e '<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">' \
+	  $(PERL) -p -e 's/\[(amp|copy|egrave|gt|lt|mdash|nbsp|ouml|pi|quot|uuml) *\]/\&\1;/g;' \
+	             -e '$$_ .= qq{<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">\n} if $$. == 1;' \
 	  >$@
 # ' hello Emacs
 
-- 
2.39.5