patch 8.0.1136: W_WIDTH() is always the same commit https://github.com/vim/vim/commit/0263146b5dbbb6c120ce2e7720256503b864425d Author: Bram Moolenaar <Bram@vim.org> Date: Fri Sep 22 15:20:32 2017 +0200 patch 8.0.1136: W_WIDTH() is always the same Problem: W_WIDTH() is always the same. Solution: Expand the macro.

--- a/src/if_ruby.c
+++ b/src/if_ruby.c
@@ -1470,7 +1470,7 @@ static VALUE window_set_height(VALUE sel
 
 static VALUE window_width(VALUE self UNUSED)
 {
-    return INT2NUM(W_WIDTH(get_win(self)));
+    return INT2NUM(get_win(self->w_width));
 }
 
 static VALUE window_set_width(VALUE self UNUSED, VALUE width)