Add :pre-load to use-package-keywords

The :pre-load keyword cannot be used unless it is in
`use-package-keywords' list.

diff --git a/lisp/use-package/use-package.el b/lisp/use-package/use-package.el
index 316e37ee33096832dfde150340625f6d46dfffcb..704b0815238af632823c1296830a54e534930ec4 100644 (file)
--- a/lisp/use-package/use-package.el
+++ b/lisp/use-package/use-package.el
@@ -419,6 +419,7 @@
      :load-path
      :mode
      :pre-init
+     :pre-load
      :requires
   )
   "Keywords recognized by `use-package'.")