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-rw-r--r--IkiWiki/Plugin/polygen.pm1
1 files changed, 1 insertions, 0 deletions
diff --git a/IkiWiki/Plugin/polygen.pm b/IkiWiki/Plugin/polygen.pm
index 2ed81c8e4..82fd575a7 100644
--- a/IkiWiki/Plugin/polygen.pm
+++ b/IkiWiki/Plugin/polygen.pm
@@ -25,6 +25,7 @@ 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') {