patch 9.0.1921: not possible to use the jumplist like a stack

Problem:  not possible to use the jumplist like a stack
Solution: Add the 'jumpoptions' setting to make the jumplist
          a stack.

Add an option for using jumplist like tag stack

related: #7738
closes: #13134

ported from NeoVim:

- https://neovim.io/doc/user/motion.html#jumplist-stack
- neovim/neovim@39094b3
- neovim/neovim#11530
- https://vi.stackexchange.com/questions/18344/how-to-change-jumplist-behavior

Based on the feedback in the previous PR, it looks like many people like
this option.

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Co-authored-by: butwerenotthereyet <58348703+butwerenotthereyet@users.noreply.github.com>
diff --git a/src/optiondefs.h b/src/optiondefs.h
index aeb3b57..4f3a152 100644
--- a/src/optiondefs.h
+++ b/src/optiondefs.h
@@ -1459,6 +1459,9 @@
     {"joinspaces",  "js",   P_BOOL|P_VI_DEF|P_VIM,
 			    (char_u *)&p_js, PV_NONE, NULL,
 			    {(char_u *)TRUE, (char_u *)0L} SCTX_INIT},
+    {"jumpoptions", "jop",  P_STRING|P_VI_DEF|P_VIM|P_ONECOMMA|P_NODUP,
+			    (char_u *)&p_jop, PV_NONE, did_set_jumpoptions,
+			    {(char_u *)"", (char_u *)0L} SCTX_INIT},
     {"key",	    NULL,   P_STRING|P_ALLOCED|P_VI_DEF|P_NO_MKRC,
 #ifdef FEAT_CRYPT
 			    (char_u *)&p_key, PV_KEY, did_set_cryptkey,