5. A method as recited in claim 1 , wherein said parsing comprises: for each identified expression, identifying, using said processor, a type of grammar to which the expression corresponds; and selecting a grammar tag to replace the expression based on the identified type of grammar.
5. A method as recited in claim 1 , wherein said parsing comprises: for each identified expression, identifying, using said processor, a type of grammar to which the expression corresponds; and selecting a grammar tag to replace the expression based on the identified type of grammar. 6. A method as recited in claim 5 , wherein said identifying a type of grammar comprises determining, using said processor, whether the expression corresponds to a command grammar or a collection grammar.