patch 8.0.0452: some macros are in lower case commit https://github.com/vim/vim/commit/1c46544412382db8b3203d6c78e550df885540bd Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 12 20:10:05 2017 +0100 patch 8.0.0452: some macros are in lower case Problem: Some macros are in lower case. Solution: Make a few more macros upper case.

--- a/src/gui.c
+++ b/src/gui.c
@@ -4967,7 +4967,7 @@ ex_gui(exarg_T *eap)
      */
     if (arg[0] == '-'
 	    && (arg[1] == 'f' || arg[1] == 'b')
-	    && (arg[2] == NUL || vim_iswhite(arg[2])))
+	    && (arg[2] == NUL || VIM_ISWHITE(arg[2])))
     {
 	gui.dofork = (arg[1] == 'b');
 	eap->arg = skipwhite(eap->arg + 2);