More detailed info on source of gnome icons.

etc/images/gnus/README

@@ -32,6 +32,6 @@ but distributed and used by Emacs.
   Pesenti Gritti
   License: GNU General Public License version 2 (see COPYING)
 
-toggle-subscription.xpm
+toggle-subscription.xpm       (GNOME stock/document/stock_task-recurring)
 kill-group.pbm and kill-group.xpm are converted from close.xpm
 rot13.pbm and rot13.xpm are converted from lock.xpm

etc/images/mail/README

@@ -10,15 +10,31 @@ but distributed and used by Emacs.
   Pesenti Gritti
   License: GNU General Public License version 2 (see COPYING)
 
-compose.xpm copy.xpm flag-for-followup.xpm forward.xpm
-inbox.xpm move.xpm not-spam.xpm outbox.xpm preview.xpm
-redo.xpm reply-all.xpm reply.xpm save-draft.xpm save.xpm
-send.xpm spam.xpm
+Emacs images and their GNOME source (GNOME icons are from stock/net/
+directory unless otherwise stated):
+
+compose.xpm                 stock_mail-compose
+copy.xpm                    stock_mail-copy
+flag-for-followup.xpm       stock_mail-flag-for-followup
+forward.xpm                 stock_mail-forward
+inbox.xpm                   stock_inbox
+move.xpm                    stock_mail-move
+not-spam.xpm                stock_not-spam
+outbox.xpm                  stock_outbox
+preview.xpm                 ?
+reply-all.xpm               stock_mail-reply-to-all
+reply.xpm                   stock_mail-reply
+save-draft.xpm              stock_mail-handling
+save.xpm                    ?
+send.xpm                    stock_mail-send
+spam.xpm                    stock_spam
+
 
-reply-to is a slightly modified version of reply-all.
-reply-from is a slightly modified version of reply.
 repack is a slightly modified version of package-x-generic.
+reply-from is a slightly modified version of reply.
+reply-to is a slightly modified version of reply-all.
+
 
-The pbm versions (where present) were produced from the xpm versions
+The pbm versions (where present) were converted from the xpm versions
 via an essentially automatic procedure (see the README file in the
 parent of this directory).