From 1f8065599d934b2af7d24773bb7d6901f9586945 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Tue, 4 Jun 2019 02:04:23 +0000
Subject: mid: id_compress requires ASCII-clean words

Its result is used for HTML anchors and such.
---
 lib/PublicInbox/MID.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/PublicInbox/MID.pm b/lib/PublicInbox/MID.pm
index 7f1ab15e..6904d61a 100644
--- a/lib/PublicInbox/MID.pm
+++ b/lib/PublicInbox/MID.pm
@@ -26,11 +26,11 @@ sub mid_clean {
 	$mid;
 }
 
-# this is idempotent
+# this is idempotent, used for HTML anchor/ids and such
 sub id_compress {
 	my ($id, $force) = @_;
 
-	if ($force || $id =~ /[^\w\-]/ || length($id) > MID_MAX) {
+	if ($force || $id =~ /[^a-zA-Z0-9_\-]/ || length($id) > MID_MAX) {
 		utf8::encode($id);
 		return sha1_hex($id);
 	}
-- 
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