It creates a tree or elements and attributes with various types of content. It extends the latter to provide sophisticated search and navigation tools for the document. These can be customised to provide novel types of data input other than text.
Offers are very welcome here.
Parsers can be selected in the commandline or through menus. Fonts can be selected. User-based searching is through an interface which allows boolean combination of strict XPointer addressing. AUTO and USER are implemented. Objects can be displayed in individual Frames.