[gtk-doc] mkdb: again purge empty para tags when merging tmpl docs

[Stefan Kost <stefkost src gnome org>]

commit de48a13ee2d2e3855218596a68c699bbb42b9e2f
Author: Stefan Kost <ensonic users sf net>
Date:   Wed Oct 20 11:18:49 2010 +0300

    mkdb: again purge empty para tags when merging tmpl docs

 gtkdoc-mkdb.in |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/gtkdoc-mkdb.in b/gtkdoc-mkdb.in
index d29bc6b..a8308f5 100755
--- a/gtkdoc-mkdb.in
+++ b/gtkdoc-mkdb.in
@@ -4306,6 +4306,13 @@ sub MergeSourceDocumentation {
 	if ($check_tmpl_doc ne "") {
 	    $have_tmpl_docs = 1;
             #print "## [$check_tmpl_doc]\n";
+	} else {
+	    # if the docs have just an empty para, don't merge that.
+	    $check_tmpl_doc = $tmpl_doc;
+	    $check_tmpl_doc =~ s/(\s|\n)//msg;
+	    if ($check_tmpl_doc eq "<para></para>") {
+	       $tmpl_doc = ""; 
+	    }
 	}
 
 	if (exists ($SourceSymbolDocs{$symbol})) {