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/undo.c
+++ b/src/undo.c
@@ -833,7 +833,7 @@ u_get_undo_file_name(char_u *buf_ffname,
 		    munged_name = vim_strsave(ffname);
 		    if (munged_name == NULL)
 			return NULL;
-		    for (p = munged_name; *p != NUL; mb_ptr_adv(p))
+		    for (p = munged_name; *p != NUL; MB_PTR_ADV(p))
 			if (vim_ispathsep(*p))
 			    *p = '%';
 		}