if one of my e-mail addresses is listed in the "cc:" field of an e-mail message, but only "non-me" addresses are in the "to:" field, a "c" will not show up in the listing for that message in a folder view (and, so, the "face" for "to me" messages won't show up).
MH-E 8.6+git
MH-E compilation details:
Byte compiled: yes
Gnus (compile-time): Gnus v5.13
Gnus (run-time): Gnus v5.13
GNU Emacs 26.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.10)
of 2019-08-30
nmh 1.7.1
mh-progs: /usr/bin
mh-lib: /etc/nmh
mh-lib-progs: /usr/lib/nmh
Linux apollo2.minshall.org 5.3.13-arch1-1 #1 SMP PREEMPT Sun, 24 Nov 2019 10:15:50 +0000 x86_64 GNU/Linux
the following appears to fix the problem. (note that the "zero" function here functions as an "else").
diff --git a/lisp/mh-e/mh-scan.el b/lisp/mh-e/mh-scan.el
index f3ad7c68ba..c4f1c7dadf 100644
--- a/lisp/mh-e/mh-scan.el
+++ b/lisp/mh-e/mh-scan.el
@@ -76,11 +76,11 @@ mh-scan-format-nmh
(concat
"%4(msg)"
"%<(cur)+%| %>"
"%<(zero) %>"
"%02(mon{date})/%02(mday{date})%<{date} %|*%>"
"%<(mymbox{from})%<{to}To:%14(decode(friendly{to}))%>%>"