http://savannah.gnu.org/bugs/?28588
for the original bug report, and: http://lists.gnu.org/archive/html/bug-grep/2010-02/msg00002.html for Jim Meyering's thoughts about a fix.
-m is documented to exclude later matching lines from context, but this
is nonintuitive and perhaps it should be fixed to not do that. This was
reported on Savannah a while ago; I'm sending this to bug-grep so that
it gets a proper bug number. Please see:
