etc.) (_done_)
* Default representation of strings as list of chars, using a packed
internal representation (_done_).
- ** Implement a representation of 'partial strings' as difference lists
- of characters (_in progress_).
+ - Implement a representation of 'partial strings' as difference lists
+ of characters (_in progress_).
* `term_expansion/2` and `goal_expansion/2` (_in progress_).
* Definite Clause Grammars.
* Attributed variables using the SICStus Prolog interface and