* [DCG_ABNF,FIX] DCG rules without arguments can take inline-composed DCG arguments, e.g. `(Dcg1, Dcg2)`.
* [GRAPH_EXPORT,SC] Removed predicates for shared attributes.
* [GV_ATTR_TYPE,NEW] New module implementing most GraphViz attribute types.
* [GV_ATTRS,NEW] Rewrote this module, now only checking types, type definitions in GV_ATTR_TYPE. Attributes are automatically imported from the Web.
* [GV_COLOR,NEW] New module implementing the color attributes for GraphViz. Content is automatically loaded from the Web.
* [GV_DOT,SC] Various rewrites using new tools, reducing code size.
* [GV_HTML,SC] Separated HTML-related code from GV_DOT.
* [GV_NUMERAL,FIX] `0.0` was written as `.0`.
* [XPATH_EXT,SC] Removed unused module.