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- From: "Martin Bryan" <firstname.lastname@example.org>
- To: <email@example.com>
- Date: Mon, 17 Nov 1997 15:58:59 -0000
Joe Lapp wrote:
>I agree that under the appropriate circumstances you wouldn't have
>to lock the whole document. However, were you to do the trick with
>what is currently XSL, it seems to me that you would have to create
>a _replacement_ document and then replace the original document.
This presumes that the "document" is the thing you want to remove. What if:
a) the document was built from a set of entities?
b) only part of the document consisted of updatable data fields?
The key factor is "what proportion of the data needs to be modified?"
>If in the time between reading the original and generating the
>replacement another user reads the original, and if you the other
>user posts his replacement after you post your replacement, then
>your changes do not take.
Always a problem with databases, but fields that are "temporarily locked"
can always be assigned an attribute that the presentation software can use
to indicate that the data is in a state of flux to read-only users of the
data during the update period.
>Or maybe you are suggesting there is no need to replace the whole
>document using an XSL approach. XSL or some other XML standard would
>need to define a standard mechanism for identifying and modifying a
>portion of a document.
The XML/EDI crew will be looking into this problem as it is key to running
an electronic business using XML.
> I am aware of some sort of 'chunking'
>initiative, but I don't know exactly what the scope of the effort is.
Why not join the XML/EDI research teams (see http://www.xmledi.net for
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