master 14a1a84: Add a link to the manual from the defcustom doc string

[Lars Ingebrigtsen]

branch: master
commit 14a1a84a33a500d49ce23124f549ff28bd007f41
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Add a link to the manual from the defcustom doc string
    
    * lisp/custom.el (defcustom): Add a link to the manual for the
    :type element.
---
 lisp/custom.el | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lisp/custom.el b/lisp/custom.el
index d9d0898..bc155d3 100644
--- a/lisp/custom.el
+++ b/lisp/custom.el
@@ -237,6 +237,8 @@ The following keywords are meaningful:
 
 :type  VALUE should be a widget type for editing the symbol's value.
        Every `defcustom' should specify a value for this keyword.
+        See `(elisp) Customization Types' for a list of base types
+        and useful composite types.
 :options VALUE should be a list of valid members of the widget type.
 :initialize
        VALUE should be a function used to initialize the