Remove NS special handling of 'frame-title-format'

* lisp/term/ns-win.el (frame-title-format, icon-title-format): Change
default format to just the filename.
* src/nsfns.m (ns-use-proxy-icon): New variable.
(ns_set_name_as_filename): Remove function.
(x_implicitly_set_name): Get rid of special handling of
frame-title-format.
* src/nsterm.h (ns_set_represented_filename): Use new definition.
* src/nsterm.m (ns_set_represented_filename): Move some of the logic
from ns_set_name_as_filename into this function.

1 files changed, 5 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 8fed15af5b2..005f177a27f 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -289,6 +289,11 @@ Previously it was supported only in the Cygwin-w32 build.
 ** Emacs now handles key combinations involving the macOS "command"
 and "option" modifier keys more correctly.
 
+** The special handling of `frame-title-format' on NS where setting it
+to `t' would enable the macOS proxy icon has been replaced with a
+separate variable, `ns-use-proxy-icon'. `frame-title-format' will now
+work as on other platforms.
+
 
 ----------------------------------------------------------------------
 This file is part of GNU Emacs.