** When reporting a new bug, to send a Cc to another address
(e.g. bug-cc-mode@gnu.org), do NOT just use a Cc: header.
-Instead, use "X-Debbugs-CC:". This ensures the Cc address will get a
+Instead, use "X-Debbugs-CC:". This ensures the Cc address(es) will get a
mail with the bug report number in. If you do not do this, each reply
in the subsequent discussion might end up creating a new bug.
This is annoying. (So annoying that a form of message-id tracking has
been implemented to hopefully stop this happening, but it is still
better to use X-Debbugs-CC.)
+If you want to send copies to more than one address, add them
+comma-separated in only one X-Debbugs-CC line.
+
Like any X-Debbugs- header, this one can also be specified in the
pseudo-header (see below), if your mail client does not let you add
"X-" headers.