From: Joey Hess <joey@kodama.kitenet.net>
Date: Mon, 4 Aug 2008 18:58:21 +0000 (-0400)
Subject: improve fix to DTRT for a param of "0"
X-Git-Tag: 2.60~71
X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/commitdiff_plain/6f2d1536b8ce0bd746c87c00466170435ddb3923

improve fix to DTRT for a param of "0"
---

diff --git a/IkiWiki.pm b/IkiWiki.pm
index 051c11b43..207bf3079 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -1043,7 +1043,9 @@ sub preprocess ($$$;$$) { #{{{
 		my $prefix=shift;
 		my $command=shift;
 		my $params=shift;
-		if (length $escape) {
+		$params="" if ! defined $params;
+
+		f (length $escape) {
 			return "[[$prefix$command $params]]";
 		}
 		elsif (exists $hooks{preprocess}{$command}) {
@@ -1176,8 +1178,7 @@ sub preprocess ($$$;$$) { #{{{
 		}sx;
 	}
 
-	# $4 can be undef if the directive was [[!foo]]
-	$content =~ s{$regex}{$handle->($1, $2, $3, ($4 or ""))}eg;
+	$content =~ s{$regex}{$handle->($1, $2, $3, $4)}eg;
 	return $content;
 } #}}}