X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/c49af80ab38f71abcbe9887dde4b76d462595f4a..771791104c78e4527fdfb51be0c6e5fae46b1aee:/IkiWiki/Plugin/polygen.pm

diff --git a/IkiWiki/Plugin/polygen.pm b/IkiWiki/Plugin/polygen.pm
index 05ad4416e..966b6cb51 100644
--- a/IkiWiki/Plugin/polygen.pm
+++ b/IkiWiki/Plugin/polygen.pm
@@ -21,6 +21,7 @@ sub preprocess (@) { #{{{
 
 	# Sanitize parameters
 	$grammar =~ IkiWiki::basename($grammar);
+	$grammar =~ s/[^A-Za-z0-9]//g;
 	$grammar =~ s/\.grm$//;
 	$grammar .= '.grm';
 	$symbol =~ s/[^A-Za-z0-9]//g if defined $symbol;