patch 8.1.1519: 'backupskip' may contain duplicates
Problem: 'backupskip' may contain duplicates.
Solution: Add the P_NODUP flag. (Tom Ryder)
diff --git a/src/option.c b/src/option.c
index 2146be7..2d22c4c 100644
--- a/src/option.c
+++ b/src/option.c
@@ -616,7 +616,7 @@
(char_u *)"~",
#endif
(char_u *)0L} SCTX_INIT},
- {"backupskip", "bsk", P_STRING|P_VI_DEF|P_ONECOMMA,
+ {"backupskip", "bsk", P_STRING|P_VI_DEF|P_ONECOMMA|P_NODUP,
#ifdef FEAT_WILDIGN
(char_u *)&p_bsk, PV_NONE,
{(char_u *)"", (char_u *)0L}
@@ -4807,7 +4807,8 @@
* hex numbers. */
vim_str2nr(arg, NULL, &i, STR2NR_ALL,
&value, NULL, 0, TRUE);
- if (i == 0 || (arg[i] != NUL && !VIM_ISWHITE(arg[i])))
+ if (i == 0 || (arg[i] != NUL
+ && !VIM_ISWHITE(arg[i])))
{
errmsg = N_("E521: Number required after =");
goto skip;