* lisp/epa.el (epa-list-keys): Add revoked status to description.
Suggested by CHENG Gao <chenggao@icloud.com>.
(epa--list-keys name nil
"The letters at the start of a line have these meanings.
e expired key. n never trust. m trust marginally. u trust ultimately.
-f trust fully (keys you have signed, usually).
+f trust fully (keys you have signed, usually). r revoked key.
q trust status questionable. - trust status unspecified.
See GPG documentation for more explanation.
\n"))