Gnus seems to start Message-IDs with 10 random characters
followed by ".fsf@$DOMAIN".  In case of mis-linkification or
mis-selection from stopping at the `@', ensuring the first 14
characters are accepted as a search parameter for the truncated
Message-ID improves usability.
---
 lib/PublicInbox/ExtMsg.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/PublicInbox/ExtMsg.pm b/lib/PublicInbox/ExtMsg.pm
index 72cae005..95feb885 100644
--- a/lib/PublicInbox/ExtMsg.pm
+++ b/lib/PublicInbox/ExtMsg.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2015-2021 all contributors <[email protected]>
+# Copyright (C) all contributors <[email protected]>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 #
 # Used by the web interface to link to messages outside of the our
@@ -11,7 +11,7 @@ use warnings;
 use PublicInbox::Hval qw(ascii_html prurl mid_href);
 use PublicInbox::WwwStream qw(html_oneshot);
 use PublicInbox::Smsg;
-our $MIN_PARTIAL_LEN = 16;
+our $MIN_PARTIAL_LEN = 14; # for 'XXXXXXXXXX.fsf' msgids gnus generates
 
 # TODO: user-configurable
 our @EXT_URL = map { ascii_html($_) } (

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