9. The method of claim 1 , wherein the grammar rule item includes output control instructions, and wherein the generating of the portion of the markup language document representation is according to the output control instructions.
9. The method of claim 1 , wherein the grammar rule item includes output control instructions, and wherein the generating of the portion of the markup language document representation is according to the output control instructions. 10. The method of claim 9 , wherein the portion of the markup language document representation includes content generated from the second content according to the output control instructions.