[master] 07cc58f Allow empty titles

[Guillaume Quintard]

commit 07cc58ff3107a4d253ef87637b1bac2864113985
Author: Guillaume Quintard <guillaume at varnish-software.com>
Date:   Wed Jun 1 17:50:24 2016 +0200

    Allow empty titles
    
    Useful to order sections without have a title.

diff --git a/doc/sphinx/vtc-syntax.awk b/doc/sphinx/vtc-syntax.awk
index e481c26..58ce4ad 100644
--- a/doc/sphinx/vtc-syntax.awk
+++ b/doc/sphinx/vtc-syntax.awk
@@ -13,7 +13,11 @@ p && $0 !~ "[ /]* SECTION: " {
 $0 ~ "[ /]* SECTION: " {
 	section = $3;
 	sl[len++] = section;
-	tl[section] = gensub(/[\t ]*\/?\* SECTION: [^ ]+ +/, "", "1", $0);
+	if ($4) {
+		tl[section] = gensub(/[\t ]*\/?\* SECTION: [^ ]+ +/, "", "1", $0);
+	} else {
+		tl[section] = "";
+	}
 	p = 1;
 }