-------------------------------------------------------------------------
-- Chunk doc AST
-------------------------------------------------------------------------

-- Outside itf
DATA AGCDocItf
  | AGItf               cdoc            : CDoc

DATA CDoc
  | Emp
  | Inl                 uref            : {URef}
  | Ref                 cref            : {CRef}
                        mbVariantReqm   : {Maybe VariantReqm}
                        chDest          : {ChDest}
  | Str                 str             : {String}
  | Hor                 ldoc            : CDoc
                        rdoc            : CDoc
  | Ver                 ldoc            : CDoc
                        rdoc            : CDoc
  | Pos                 cpos            : CPos
                        cdoc            : CDoc

DERIVING * : Show