DR 09-0168 — OPC: No mechanism to distinguish ECMA-376:2006 from IS 29500

[Chris Rae]

http://cid-c8ba0861dc5e4adc.office.live.com/view.aspx/Public%20Documents/2009/DR-09-0168.docx

In my notes I've written that in Tokyo we decided I'd look into whether we could alter Part 4 to disbar non-ASCII part names, thereby making it homogenous with ECMA-376 and removing the requirement for Transitional IS 29500 to be differentiated from ECMA-376.

I've had a look into this, and I don't think it's a very simple task. In the attached document I've added a whole new "Packaging" section to Part 4 and in there covered a modification to the Part Name grammar and prose to restrict part names to those allowable in ECMA-376. What this does *not* do is restrict the various other aspects of part naming (mainly references to parts). I think this will work okay - it'll mean that Transitional document part names references are prescribed by a grammar which permits part names that can't exist in the files. However, ultimately any reference must resolve to a valid part name and so these can be dealt with in the same way as any other invalid part name references. I'd rather not delve into a wholesale retrofitting of ECMA-376 part naming methodology into Part 4 of IS 29500.

Thoughts on this approach?

Chris
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