A method for encoding data documents includes reading at least a portion of a data node from a markup-language document and determining a node type of the data node. According to one method, packets associated with a plurality of network users for forwarding to an output are received. Thus, there can be provided a photo mask blank having an anti-reflection film that can sufficiently reduce reflectance even if the exposure wavelength is short. Second plate includes a cavity for receiving electronic chip and flag, and pins. The returned information identifies the objects in the documents and the location of any values for identified objects in the document. The safety block has a pair of drive pockets in an upper face of the block on opposed sides of a drive axis that passes through the drive member.