bug#2397: 23.0.90; grep no longer highlights the match

"Drew Adams" <[email protected]>
Newsgroups gmane.emacs.bugs,gmane.emacs.pretest.bugs
Message-ID <[email protected]> 
emacs -Q
 
load library cygwin-mount.el, then setup-cygwin.el:
 
http://www.emacswiki.org/emacs/cygwin-mount.el
http://www.emacswiki.org/emacs/setup-cygwin.el
 
M-x grep -nH -e pattern *.el
 
The text matching "pattern" is not highlighted. In Emacs 22 it is
highlighted using face `match' (yellow background).
 

In GNU Emacs 23.0.90.1 (i386-mingw-nt5.1.2600)
 of 2009-02-01 on SOFT-MJASON
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'
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