bug#51411: NS port cleanups

[Po Lu]

Po Lu <luangruo@yahoo.com> writes:

> Thanks, here's the updated patch (along with the other patch for the
> improvements not related to text display).  I will be sure to take a
> look at the rest of the ns_focus calls later, if I get the time.

As of 48af19c1 those patches don't apply anymore.  Here's a version that
does.  (I kept my version of the overhang computation code instead of
Daniel's, because the xterm code computes overhangs correctly, and
bug#51105 doesn't apply to it AFAIU.)

0001-Improve-font-display-on-NS-port.patch
Description: Text Data

0002-General-improvements-to-NS-port.patch
Description: Text Data