Customization Types
-* Simple Types:: Simple customization types: sexp, integer, number,
- string, file, directory, alist.
+* Simple Types:: Simple customization types: sexp, integer, etc.
* Composite Types:: Build new types from other types or data.
* Splicing into Lists:: Splice elements into list with @code{:inline}.
* Type Keywords:: Keyword-argument pairs in a customization type.