Add literal chars to representation.
Add subscript support to representation.
Add namespace definition support to representation.
Augment parenthesization heuristic with more operators.
Fix context generation to work with extra specialization arg.
Factor-out record struct definition.
Define shallow parser declaration.
Define per-field parser form.
Define per-field parser action.
Define per-field parser declaration.
Define parser struct definition.
Add parser struct to record definitions.