(Composite Types): Document `group' type.

diff --git a/lispref/customize.texi b/lispref/customize.texi
index 8b1b1a9b91f9615d2a92884ef704f0dbbe73ba3f..fede33bd0462a0563930352a87024f4d996e5a4c 100644 (file)
--- a/lispref/customize.texi
+++ b/lispref/customize.texi
@@ -747,6 +747,11 @@ string, and the third a function.
 In the customization buffer, each element is displayed and edited
 separately, according to the type specified for it.
 
+@item (group @var{element-types}@dots{})
+This works like @code{list} except for the formatting
+of text in the Custom buffer.  @code{list} labels each
+element value with its tag; @code{group} does not.
+
 @item (vector @var{element-types}@dots{})
 Like @code{list} except that the value must be a vector instead of a
 list.  The elements work the same as in @code{list}.