Double the default value of kill-ring-max

* lisp/simple.el (kill-ring-max): Double the default to 120.
* lisp/menu-bar.el (yank-menu-length): Doc fix.
(yank-menu-max-items): New variable.
(menu-bar-update-yank-menu): Don't display more than
'yank-menu-max-items' in the yank menu.

* doc/emacs/custom.texi (Changing a Variable):
* doc/emacs/killing.texi (Kill Ring):
* doc/lispintro/emacs-lisp-intro.texi (kill-new function):
* doc/lispref/text.texi (Internals of Kill Ring): Doc fix to use
the new value.

1 files changed, 3 insertions, 2 deletions

diff --git a/lisp/simple.el b/lisp/simple.el
index 7b6c52a3898..c7bb928cd73 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -5076,10 +5076,11 @@ interact nicely with `interprogram-cut-function' and
 interaction; you may want to use them instead of manipulating the kill
 ring directly.")
 
-(defcustom kill-ring-max 60
+(defcustom kill-ring-max 120
   "Maximum length of kill ring before oldest elements are thrown away."
   :type 'integer
-  :group 'killing)
+  :group 'killing
+  :version "29.1")
 
 (defvar kill-ring-yank-pointer nil
   "The tail of the kill ring whose car is the last thing yanked.")