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* 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
---