* doc/emacs/maintaining.texi (Maintaining): Add cross-ref to ERT.
* etc/NEWS: Related markup.
+2012-02-05 Glenn Morris <rgm@gnu.org>
+
+ * maintaining.texi (Maintaining): Add cross-ref to ERT.
+
2012-02-04 Glenn Morris <rgm@gnu.org>
* macos.texi (Customization options specific to Mac OS / GNUstep):
@chapter Maintaining Large Programs
This chapter describes Emacs features for maintaining large
-programs.
+programs. In addition to the features described here, you may find
+the @file{ERT} (``Emacs Lisp Regression Testing'') library useful in
+this context (@pxref{Top,,ERT,ert, Emacs Lisp Regression Testing}).
@menu
* Version Control:: Using version control systems.
*** New function `special-variable-p' to check whether a variable is
declared as dynamically bound.
++++
** An Emacs Lisp testing tool is now included.
Emacs Lisp developers can use this tool to write automated tests for
their code. See the ERT info manual for details.