Correct a bug in pagespec matching, where a empty pagespec matched all pages.

This manifested as wikis with no locked pages treating them all as locked.
The bug was introduced in version 2.41.

Medium urgency upload due to above fix.

1 files changed, 4 insertions, 0 deletions

diff --git a/IkiWiki.pm b/IkiWiki.pm
index 68047b9b9..3802559a5 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -1247,6 +1247,10 @@ sub pagespec_translate ($) { #{{{
 		}
 	}
 
+	if (! length $code) {
+		$code=0;
+	}
+
 	return eval 'sub { my $page=shift; '.$code.' }';
 } #}}}