patch 8.0.0451: some macros are in lower case commit https://github.com/vim/vim/commit/91acfffc1e6c0d8c2abfb186a0e79a5bf19c3f3f Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 12 19:22:36 2017 +0100 patch 8.0.0451: some macros are in lower case Problem: Some macros are in lower case. Solution: Make a few more macros upper case. Avoid lower case macros use an argument twice.

--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -5741,7 +5741,7 @@ write_chars(
 	{
 	    char_u *p = pchBuf;
 	    for (n = 0; n < cchwritten; n++)
-		mb_cptr_adv(p);
+		MB_CPTR_ADV(p);
 	    written = p - pchBuf;
 	    g_coord.X += (SHORT)mb_string2cells(pchBuf, written);
 	}