Merged an ERT fix and a speedup.

diff --cc lisp/ChangeLog
index c97cf6e781b1c2c7e021a68ccc9b11a037b4b120,9602bf20af65cf689526c5cb641119c71a5e07cc..ab96ec4ad0191437cebc33bbfbc24d27ecba3ffd
--- 1/lisp/ChangeLog
--- 2/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@@ -1,12 -1,19 +1,28 @@@
+ 2011-03-03  Christian Ohler  <ohler@gnu.org>
+ 
+       * emacs-lisp/ert.el (ert--explain-equal): New function.
+       (ert--explain-equal-rec): Renamed from `ert--explain-not-equal'.
+       All callers changed.
+       (ert--explain-equal-including-properties): Renamed from
+       `ert--explain-not-equal-including-properties'.  All callers
+       changed.
+ 
+ 2011-03-03  Christian Ohler  <ohler@gnu.org>
+ 
+       * emacs-lisp/ert.el (ert--stats-set-test-and-result)
+       (ert-char-for-test-result, ert-string-for-test-result)
+       (ert-run-tests-batch, ert--print-test-for-ewoc):
+       Handle `ert-test-quit'.
+ 
 +2011-03-03  David Abrahams  <dave@boostpro.com>  (tiny change)
 +
 +      * vc/ediff-init.el (ediff-use-faces, ediff-highlight-all-diffs):
 +      Move ediff-defvar-local calls after defcustoms.  (Bug#1821)
 +
 +2011-03-03  Glenn Morris  <rgm@gnu.org>
 +
 +      * files.el (file-truename): Doc fix.  (Bug#2341)
 +
  2011-03-03  Bob Rogers  <rogers-emacs@rgrjr.dyndns.org>
  
        * vc/vc-dir.el (vc-dir-mode-map): Bind vc-dir-find-file to e. (Bug#7349)