bug#16035: 24.3.50; Custom isearch broken on trunk (e.g. change-log-mode)

[Juri Linkov]

>> Meanwhile, I found another problem: typing <backspace>
>> in Isearch while in the Gnus Summary buffer exits Isearch
>> and runs `gnus-summary-prev-page' because <backspace>
>> is bound explicitly in Gnus.
>
> Looks like a bug in Gnus, since DEL is not bound.  I.e. Gnus's binding
> should be to DEL and not to `backspace'.

Then I'll install this patch.  It was necessary also to remove
[backspace] from `gnus-suppress-keymap' because without the last hunk
typing `backspace' in an Article buffer called `gnus-summary-prev-page',
but not `gnus-article-goto-prev-page' as it should.

=== modified file 'lisp/gnus/gnus-art.el'
--- lisp/gnus/gnus-art.el       2013-12-14 21:43:01 +0000
+++ lisp/gnus/gnus-art.el       2013-12-19 20:33:12 +0000
@@ -4396,7 +4396,6 @@ (gnus-define-keys gnus-article-mode-map
   [?\S-\ ] gnus-article-goto-prev-page
   "\177" gnus-article-goto-prev-page
   [delete] gnus-article-goto-prev-page
-  [backspace] gnus-article-goto-prev-page
   "\C-c^" gnus-article-refer-article
   "h" gnus-article-show-summary
   "s" gnus-article-show-summary

=== modified file 'lisp/gnus/gnus-group.el'
--- lisp/gnus/gnus-group.el     2013-12-14 21:43:01 +0000
+++ lisp/gnus/gnus-group.el     2013-12-19 20:33:12 +0000
@@ -571,7 +571,6 @@ (gnus-define-keys gnus-group-mode-map
   "p" gnus-group-prev-unread-group
   "\177" gnus-group-prev-unread-group
   [delete] gnus-group-prev-unread-group
-  [backspace] gnus-group-prev-unread-group
   "N" gnus-group-next-group
   "P" gnus-group-prev-group
   "\M-n" gnus-group-next-unread-group-same-level

=== modified file 'lisp/gnus/gnus-sum.el'
--- lisp/gnus/gnus-sum.el       2013-09-17 17:22:32 +0000
+++ lisp/gnus/gnus-sum.el       2013-12-19 20:33:12 +0000
@@ -1850,7 +1850,6 @@ (gnus-define-keys gnus-summary-mode-map
   [?\S-\ ] gnus-summary-prev-page
   "\177" gnus-summary-prev-page
   [delete] gnus-summary-prev-page
-  [backspace] gnus-summary-prev-page
   "\r" gnus-summary-scroll-up
   "\M-\r" gnus-summary-scroll-down
   "n" gnus-summary-next-unread-article
@@ -2222,7 +2221,6 @@ (gnus-define-keys (gnus-summary-backend-
   "\M-\C-e" gnus-summary-expire-articles-now
   "\177" gnus-summary-delete-article
   [delete] gnus-summary-delete-article
-  [backspace] gnus-summary-delete-article
   "m" gnus-summary-move-article
   "r" gnus-summary-respool-article
   "w" gnus-summary-edit-article

=== modified file 'lisp/gnus/gnus.el'
--- lisp/gnus/gnus.el   2013-08-13 07:18:50 +0000
+++ lisp/gnus/gnus.el   2013-12-19 20:33:52 +0000
@@ -3035,7 +3035,7 @@ (defcustom gnus-summary-line-format "%U%
 
 (defun gnus-suppress-keymap (keymap)
   (suppress-keymap keymap)
-  (let ((keys `([backspace] [delete] "\177" "\M-u"))) ;gnus-mouse-2
+  (let ((keys `([delete] "\177" "\M-u"))) ;gnus-mouse-2
     (while keys
       (define-key keymap (pop keys) 'undefined))))