diff options
| -rw-r--r-- | IkiWiki/Plugin/map.pm | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/IkiWiki/Plugin/map.pm b/IkiWiki/Plugin/map.pm index 93ff3194a..65a6ed552 100644 --- a/IkiWiki/Plugin/map.pm +++ b/IkiWiki/Plugin/map.pm @@ -45,7 +45,8 @@ sub preprocess (@) { #{{{ } # Common prefix should not be a page in the map. - while (length $common_prefix && exists $mapitems{$common_prefix}) { + while (defined $common_prefix && length $common_prefix && + exists $mapitems{$common_prefix}) { $common_prefix=IkiWiki::dirname($common_prefix); } @@ -62,7 +63,8 @@ sub preprocess (@) { #{{{ my $openli=0; my $map = "<div class='map'>\n<ul>\n"; foreach my $item (sort keys %mapitems) { - $item=~s/^\Q$common_prefix\E\/// if length $common_prefix; + $item=~s/^\Q$common_prefix\E\/// + if defined $common_prefix && length $common_prefix; my $depth = ($item =~ tr/\//\//) + 1; my $baseitem=IkiWiki::dirname($item); while (length $parent && length $baseitem && $baseitem !~ /^\Q$parent\E(\/|$)/) { |