bug#34951: [PATCH] grep: a kwset matcher not work in a grep matcher

[Paul Eggert]

On 12/11/19 11:31 PM, arn...@skeeve.com wrote:

        1,$s/ptrdiff_t/ssize_t/g

ssize_t can be narrower than ptrdiff_t, so it's not a good type to use 
for this notion. Its original motivation was "the type that 'read' 
returns", and on systems where 'read' can return at most INT_MAX, 
ssize_t can be 32 bits even if size_t is 64 bits.