ns-private patch for Emacs 27 (see also https://qiita.com/takaxp/items/e07bb286d80fa9dd8e05)

ns-27.0-private.patch

diff --exclude .git -crN emacs-27/src/nsfns.m emacs/src/nsfns.m
*** emacs-27/src/nsfns.m	2019-02-09 13:11:12.000000000 +0900
--- emacs/src/nsfns.m	2019-02-09 13:18:14.000000000 +0900
***************
*** 1185,1191 ****
  
    gui_default_parameter (f, parms, Qborder_width, make_fixnum (0),
                           "borderwidth", "BorderWidth", RES_TYPE_NUMBER);
!   gui_default_parameter (f, parms, Qinternal_border_width, make_fixnum (2),
                           "internalBorderWidth", "InternalBorderWidth",
                           RES_TYPE_NUMBER);
    gui_default_parameter (f, parms, Qright_divider_width, make_fixnum (0),
--- 1185,1191 ----
  
    gui_default_parameter (f, parms, Qborder_width, make_fixnum (0),
                           "borderwidth", "BorderWidth", RES_TYPE_NUMBER);
!   gui_default_parameter (f, parms, Qinternal_border_width, make_fixnum (0),
                           "internalBorderWidth", "InternalBorderWidth",
                           RES_TYPE_NUMBER);
    gui_default_parameter (f, parms, Qright_divider_width, make_fixnum (0),
***************
*** 1201,1206 ****
--- 1201,1207 ----
  #else
            = Qright;
  #endif
+       spos = Qnil;
        gui_default_parameter (f, parms, Qvertical_scroll_bars, spos,
  			   "verticalScrollBars", "VerticalScrollBars",
  			   RES_TYPE_SYMBOL);
diff --exclude .git -crN emacs-27/src/nsterm.m emacs/src/nsterm.m
*** emacs-27/src/nsterm.m	2019-02-09 13:11:12.000000000 +0900
--- emacs/src/nsterm.m	2019-02-09 13:12:06.000000000 +0900
***************
*** 7154,7163 ****
                *pos = '\0';
              old_title = t;
            }
!         size_title = xmalloc (strlen (old_title) + 40);
! 	esprintf (size_title, "%s  —  (%d x %d)", old_title, cols, rows);
!         [window setTitle: [NSString stringWithUTF8String: size_title]];
!         xfree (size_title);
        }
    }
  #endif /* NS_IMPL_COCOA */
--- 7154,7163 ----
                *pos = '\0';
              old_title = t;
            }
!         // size_title = xmalloc (strlen (old_title) + 40);
! 	// esprintf (size_title, "%s  —  (%d x %d)", old_title, cols, rows);
!         // [window setTitle: [NSString stringWithUTF8String: size_title]];
!         // xfree (size_title);
        }
    }
  #endif /* NS_IMPL_COCOA */