Subject: 24.2.92; Show number of errors in compilation mode

From: Leo Liu <[email-masked]>
Date: Sat, 12 Jan 2013 13:37:15 +0800

This is a feature request originated from the discussion
http://thread.gmane.org/gmane.emacs.devel/154236:

  The unused compilation-num-errors-found variable seems to be a
  placeholder to showing number of errors or warnings in compilation mode,
  for example: 
  
    Compilation exited abnormally with 10 errors and 11 warnings at Wed
    Oct 10 23:34:40

Leo