Ibuffer: Mark buffers by content

* lisp/ibuf-ext.el (ibuffer-mark-by-content-regexp): New command.
(ibuffer-never-search-content-name): New option.
(ibuffer-never-search-content-mode): Idem.
(ibuffer-mark-by-content-regexp): Use them (Bug#23734).

* lisp/ibuffer.el (ibuffer-mode-map): Bind new command to '% c' and '% g'.
(ibuffer-mode): Update mode documentation.
; * etc/NEWS: Add NEWS entry for these changes.

1 files changed, 11 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index b3a044d4cd2..555d6bb51ac 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -190,6 +190,17 @@ questions, with a handy way to display help texts.
 
 * Changes in Specialized Modes and Packages in Emacs 25.2
 
+** Ibuffer
+
+---
+*** A new command `ibuffer-mark-by-content-regexp' to mark buffers
+whose content matches a regexp; bound to '% c' and '% g'.
+
+---
+*** Two new options `ibuffer-never-search-content-name' and
+`ibuffer-never-search-content-mode' used by
+`ibuffer-mark-by-content-regexp'.
+
 ** Compilation mode
 
 ---