20. The computer program product of claim 17 wherein means, recorded on the recording device, for creating the presentation grammar for the structured document comprises: means, recorded on the recording device, for identifying a content type of the original document; means, recorded on the recording device, for selecting, in dependence upon the content type, a full presentation grammar from among a multiplicity of full presentation grammars; and means, recorded on the recording device, for filtering the full presentation grammar into the presentation grammar for the structured document in dependence upon the structural elements of the structured document.
20. The computer program product of claim 17 wherein means, recorded on the recording device, for creating the presentation grammar for the structured document comprises: means, recorded on the recording device, for identifying a content type of the original document; means, recorded on the recording device, for selecting, in dependence upon the content type, a full presentation grammar from among a multiplicity of full presentation grammars; and means, recorded on the recording device, for filtering the full presentation grammar into the presentation grammar for the structured document in dependence upon the structural elements of the structured document. 23. The computer program product of claim 20 wherein means, recorded on the recording device, for filtering the full presentation grammar comprises means, recorded on the recording device, for writing from the full presentation grammar to the presentation grammar for the structured document each grammar element having a structural element identifier of a structural element that occurs in the structural document.