using the client program mev. This C level approach provides mouse
highlighting, and help echoing in the minibuffer.
+** The new variable next-error-recenter specifies how next-error should
+recenter the visited source file. Its value can be a number (for example,
+0 for top line, -1 for bottom line), or nil for no recentering.
+
\f
* Startup Changes in Emacs 23.1