apply Changaco's patch to make headinganchors more like mediawiki's

diff --git a/IkiWiki/Plugin/headinganchors.pm b/IkiWiki/Plugin/headinganchors.pm
index b291503682cebe12a7c81bfad5b8ac6f999268b9..ece6f4eaca63aa952f2aa94bd03cd67650691b31 100644 (file)
--- a/IkiWiki/Plugin/headinganchors.pm
+++ b/IkiWiki/Plugin/headinganchors.pm
@@ -5,6 +5,7 @@ package IkiWiki::Plugin::headinganchors;
 use warnings;
 use strict;
 use IkiWiki 3.00;
+use URI::Escape;
 
 sub import {
        hook(type => "getsetup", id => "headinganchors", call => \&getsetup);
@@ -12,7 +13,7 @@ sub import {
 }
 
 sub getsetup () {
-        return
+       return
                plugin => {
                        safe => 1,
                        rebuild => undef,
@@ -24,9 +25,11 @@ sub text_to_anchor {
        my $str = shift;
        $str =~ s/^\s+//;
        $str =~ s/\s+$//;
-       $str = lc($str);
-       $str =~ s/[&\?"\'\.,\(\)!]//mig;
-       $str =~ s/[^a-z]/_/mig;
+       $str =~ s/\s/_/g;
+       $str =~ s/"//g;
+       $str =~ s/^[^a-zA-Z]/z-/; # must start with an alphabetical character
+       $str = uri_escape_utf8($str);
+       $str =~ s/%/./g;
        return $str;
 }