move indexing to sanitize hook

I think this will give better results overall.

I made %IkiWiki::preprocessing accessible and used it to avoid indexing
at unnecessary points.

1 files changed, 1 insertions, 1 deletions

diff --git a/IkiWiki.pm b/IkiWiki.pm
index 8af0d7889..3f92bda06 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -692,7 +692,7 @@ sub linkify ($$$) { #{{{
 	return $content;
 } #}}}
 
-my %preprocessing;
+our %preprocessing;
 our $preprocess_preview=0;
 sub preprocess ($$$;$$) { #{{{
 	my $page=shift; # the page the data comes from