X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/35c90a5b582f0d40a122b151580e313c2b157b6f..bd4cd357a13ae205294217024dbb74e1d74534fd:/IkiWiki/Plugin/polygen.pm

diff --git a/IkiWiki/Plugin/polygen.pm b/IkiWiki/Plugin/polygen.pm
index c14889167..82fd575a7 100644
--- a/IkiWiki/Plugin/polygen.pm
+++ b/IkiWiki/Plugin/polygen.pm
@@ -25,8 +25,12 @@ sub preprocess (@) { #{{{
 	$grammar =~ s/\.grm$//;
 	$grammar .= '.grm';
 	$symbol =~ s/[^A-Za-z0-9]//g if defined $symbol;
+	$symbol = IkiWiki::possibly_foolish_untaint($symbol) if defined $symbol;
 
 	my $grmfile = '/usr/share/polygen/ita/polygen.grm';
+	if (! -d '/usr/share/polygen') {
+		return "[[polygen not installed]]";
+	}
 	find({wanted => sub {
 			if (substr($File::Find::name, -length($grammar)) eq $grammar) {
 				$grmfile = IkiWiki::possibly_foolish_untaint($File::Find::name);