[quote] The optional WITH clause specifies storage parameters for the index. Each index method has its own set of allowed storage parameters. The B-tree, hash, GiST and SP-GiST index methods all accept this parameter: [/quote]
These are the index methods and the valid lists for each. The docs are correct in how they remove duplication. I'm undecided on whether that is the best presentation choice. I would at minimum place a new paragraph after "own set of allowed storage parameters." so that "The B-tree, hash..." begins its own line.
