patch 8.0.1704: 'backupskip' default doesn't work for Mac
Problem: 'backupskip' default doesn't work for Mac.
Solution: Use "/private/tmp". (Rainer Müller, closes #2793)
diff --git a/src/option.c b/src/option.c
index 48432bb..5ef346c 100644
--- a/src/option.c
+++ b/src/option.c
@@ -3367,7 +3367,11 @@
mustfree = FALSE;
# ifdef UNIX
if (*names[n] == NUL)
+# ifdef MACOS_X
+ p = (char_u *)"/private/tmp";
+# else
p = (char_u *)"/tmp";
+# endif
else
# endif
p = vim_getenv((char_u *)names[n], &mustfree);