doc: acknowledge the MMDF mailbox format

[public-inbox.git] / Documentation / lei-mail-formats.pod

diff --git a/Documentation/lei-mail-formats.pod b/Documentation/lei-mail-formats.pod
index 8accedb49616f2e277760cf4c3e6b65ea123d559..da723d2b83dbaf67c4dac7f5a56dc9cb5649d4d9 100644 (file)
--- a/Documentation/lei-mail-formats.pod
+++ b/Documentation/lei-mail-formats.pod
@@ -82,7 +82,13 @@ mbox.
 =head1 MH
 
 Not yet supported, locking semantics (or lack thereof) appear to
-make it unsuitable for parallel access.
+make it unsuitable for parallel access.  It is widely-supported
+by a variety of MUAs and mailing list managers, however.
+
+=head1 MMDF
+
+Not yet supported, and it's unclear if current usage/support makes
+it worth supporting.
 
 =head1 IMAP