X-Debbugs-CC clarifications

admin/notes/bugtracker

@@ -8,7 +8,8 @@ This is 95% of all you will ever need to know.
 
 ** How do I report a bug?
 Use M-x report-emacs-bug, or send mail to bug-gnu-emacs@gnu.org.
-If you want to Cc someone, use an "X-Debbugs-CC" header instead.
+If you want to Cc someone, use an "X-Debbugs-CC" header (or
+pseudo-header, see below) instead.
 
 ** How do I comment on a bug?
 Reply to a mail on the bug-gnu-emacs list in the normal way.
@@ -52,8 +53,8 @@ i) Your report will be assigned a number and generate an automatic reply.
 ii) Optionally, you can set some database parameters when you first
 report a bug (see "Setting bug parameters" below).
 
-iii) If you want to CC: someone, use X-Debbugs-CC: (this is important;
-see below).
+iii) If you want to CC: someone, use X-Debbugs-CC: (note this only
+applies to _new_ reports, not followups).
 
 Once your report is filed and assigned a number, it is sent out to the
 bug mailing list.  In some cases, it may be appropriate to just file a
@@ -92,15 +93,18 @@ but create duplicates and errors.  (It is possible, but unlikely, that
 you might want to have a dialog with the owner address, outside of
 normal bug reporting.)
 
-** When reporting a bug, to send a Cc to another address
+** 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
 mail with the bug report number in.  If you do not do this, each reply
-in the subsequent discussion will end up creating a new bug.
-This is annoying.
+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.)
 
-(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.)
+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.
 
 If a new report contains X-Debbugs-CC in the input, this is
 converted to a real Cc header in the output.  (See Bug#1780,5384)
@@ -218,8 +222,8 @@ Package: emacs
 Version: 23.0.60
 Severity: minor
 
-This can also include tags.  Some things (e.g. submitter) don't seem to
-work here.
+This can also include tags, or any X-Debbugs- setting.
+Some things (e.g. submitter) don't seem to work here.
 
 Otherwise, send mail to the control server, control@debbugs.gnu.org.
 At the start of the message body, supply the desired commands, one per