[DFDL-WG] Updated spec completion plan

[Steve Hanson]

Alan and I have taken Mike's completion plan and updated it including 
allocating owners to items. See below. Please say on the next call whether 
you are able to take on the items allocated to you.

MikeB: 
I'm quite dissatisfied now with the flow of the spec. Everything seems to 
be needed to describe everything else. E.g., initiators can't be described 
without describing nulls and default values that they interact with, but 
those are much later in the spec and involve some very nitpicky properties 
like nullValueInitiatorPolicy, ..... so all the information about 
initiators isn't in one place. A big job ahead is revising all the 
property descriptions to refer to the grammar and the various syntactic 
regions defined by it.

Planned (Roughly) 

vX+1 
- improve (finish?) nulls/default/optionals (Mike - with input from Steve)
- 2-level description (schema components) - including UML (Simon)
- regular expressions for lengths (Alan)
- expression language (Alan)
- valueCalc (Mike)
- property precedence (Steve)
- entities (Alan)
- white space handling (Steve)

vX+2 
- bring supplements up-to-date (Steve)
- assertions/discriminators and choice (Suman)
- how speculative parsing works (combining choice and variable-occurrence 
- currently these are separate) (TX person)
- reordering the properties discussion (move representation earlier, 
improve flow of topics) (Alan)

vX+3 
- escapeSchemes (Ian P)
- string xml type (Ian P)
- variables (Mike)
- selectors (Suman)
- improvements on property descriptions (All - split tbd)
- envelopes and payloads (Steve)

Extraneous to spec 
- develop Schema for DFDL xsd (Suman)
- develop Schema for Schema DFDL Subset xsd (Suman)


Regards, Steve

Steve Hanson
WebSphere Message Brokers
Hursley, UK
Internet: smh at uk.ibm.com
Phone (+44)/(0) 1962-815848





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