* strip '{{'/'}}' in _parse_include

lib/Text/Dokuwiki/Parser.pm

@@ -119,6 +119,9 @@ sub _parse_link {
 sub _parse_include {
   my ($self, $content) = @_;
 
+  $content =~ s/^{{//o;
+  $content =~ s/}}$//o;
+
   if ($content =~ m|^([a-z]+)>(.*)|oi) {
     ...
   }