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-rw-r--r--lib/PublicInbox/Hval.pm3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/PublicInbox/Hval.pm b/lib/PublicInbox/Hval.pm
index 7e007027..39256ee0 100644
--- a/lib/PublicInbox/Hval.pm
+++ b/lib/PublicInbox/Hval.pm
@@ -139,10 +139,12 @@ sub to_attr ($) {
         return if index($str, '//') >= 0;
 
         my $first = '';
+        utf8::encode($str); # to octets
         if ($str =~ s/\A([^A-Ya-z])//ms) { # start with a letter
                   $first = sprintf('Z%02x', ord($1));
         }
         $str =~ s/([^A-Za-z0-9_\.\-])/$ESCAPES{$1}/egms;
+        utf8::decode($str); # allow wide chars
         $first . $str;
 }
 
@@ -155,6 +157,7 @@ sub from_attr ($) {
         }
         $str =~ s!::([a-f0-9]{2})!chr(hex($1))!egms;
         $str =~ tr!:!/!;
+        utf8::decode($str);
         $first . $str;
 }