-# Copyright (C) 2018-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# Unstable internal API.
# do NOT consider the Message-ID as part of the content_hash
# if we got here, we've already got Message-ID reuse
my %seen = map { $_ => 1 } @{mids($eml)};
- foreach my $mid (@{references($eml)}) {
- $dig->add("ref\0$mid\0") unless $seen{$mid}++;
+ for (grep { !$seen{$_}++ } @{references($eml)}) {
+ utf8::encode($_);
+ $dig->add("ref\0$_\0");
}
# Only use Sender: if From is not present