* lisp/custom.el (defcustom): Doc fix.

* doc/lispref/customize.texi (Variable Definitions):
Defcustom should always have a type.

2 files changed, 3 insertions, 1 deletions

diff --git a/doc/lispref/customize.texi b/doc/lispref/customize.texi
index 1f207dce823..994c346331f 100644
--- a/doc/lispref/customize.texi
+++ b/doc/lispref/customize.texi
@@ -334,7 +334,8 @@ macro accepts the following keywords:
 @item :type @var{type}
 Use @var{type} as the data type for this option.  It specifies which
 values are legitimate, and how to display the value
-(@pxref{Customization Types}).
+(@pxref{Customization Types}).  Every @code{defcustom} should specify
+a value for this keyword.
 
 @item :options @var{value-list}
 @kindex options@r{, @code{defcustom} keyword}
diff --git a/lisp/custom.el b/lisp/custom.el
index f84aed2b135..550ba440c0f 100644
--- a/lisp/custom.el
+++ b/lisp/custom.el
@@ -224,6 +224,7 @@ The remaining arguments to `defcustom' should have the form
 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.
 :options VALUE should be a list of valid members of the widget type.
 :initialize
         VALUE should be a function used to initialize the