Re: micro operations versus xupdate and xquery update extensions

/ James Fuller <james.fuller.2007@gmail.com> was heard to say:
| On 4/13/07, Norman Walsh <Norman.Walsh@sun.com> wrote:
|> / James Fuller <james.fuller.2007@gmail.com> was heard to say:
|> | I am interested in the thinking behind XProc defined micro operations
|> | e.g. especially as it pertains to  overlap with  the use of well
|> | established (though not necc widely adopted) standards like Xupdate
|> | and XQuery update extensions.
|> |
|> | My preference would be to simplify things and not have micro
|> | operations if at all possible.
|>
|> Unlike Xupdate and XQuery update facilities, the micro operations
|> don't update anything, they are really simple, streaming
|> transformations.
|>
|> Does that help clarify things?
|
| yes it does, just trying to map the meme....
|
| so this is akin to a filter?

Yes, they are filters.

| I can see the benefit of applying pre and post filters to xml
| documents wherever they are defined and generated.
|
| will think a bit more about this before responding in full.

Sure. Of course, in a sense, most steps in a pipeline are filters.
What's handy about the micro-operations is that they're designed to
stream well.

                                        Be seeing you,
                                          norm

-- 
Norman Walsh
XML Standards Architect
Sun Microsystems, Inc.