my ($file)=$change->{file}=~/$config{wiki_file_regexp}/;
$file=IkiWiki::possibly_foolish_untaint($file);
if (! defined $file || ! length $file ||
my ($file)=$change->{file}=~/$config{wiki_file_regexp}/;
$file=IkiWiki::possibly_foolish_untaint($file);
if (! defined $file || ! length $file ||