overidx: subject_path: allow non-ASCII char in subject matches

[public-inbox.git] / lib / PublicInbox / Smsg.pm

diff --git a/lib/PublicInbox/Smsg.pm b/lib/PublicInbox/Smsg.pm
index da8ce590991a3e40522bcab2bc0c561d5aa5683f..fb28eff7326e06d19e05cc1a096fc55cf54b3bdd 100644 (file)
--- a/lib/PublicInbox/Smsg.pm
+++ b/lib/PublicInbox/Smsg.pm
@@ -145,6 +145,8 @@ sub internaldate { # for IMAP
 
 our $REPLY_RE = qr/^re:\s+/i;
 
+# TODO: see RFC 5256 sec 2.1 "Base Subject" and evaluate compatibility
+# w/ existing indices...
 sub subject_normalized ($) {
        my ($subj) = @_;
        $subj =~ s/\A\s+//s; # no leading space