bug#51411: NS port cleanups

[Po Lu]

Po Lu <luangruo@yahoo.com> writes:

> I meant to say that DPSrectclip intersects (IOW, behaves just as
> NSClipRect does).  Unless that's incorrect, I think what I'm doing right
> now should work fine.

Please disregard what I said here, as I just found out my understanding
of NSRectClip has been incorrect.

OTOH, I found a function that should better suit the situation.
GSRectClipList sets both the DPS and NS clipping, so I changed the
function to just use that instead.

Thanks.

0001-Improve-font-display-on-NS-port.patch
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