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[Ltru] Re: Case-insensitive rules



Doug Ewell wrote:
 
> At some point during the development of 4646, somebody argued that
> both cases needed to be specified.

Not in LTRU, maybe before (?)

> the production for "irregular" is now an enumeration of the valid tags
> but only in their canonical casing style.

That's fine, "en-GB-oed" matches also "en-gb-oed" and...

> "EN-GB-OED" is also a valid irregular tag.

...with Addison's proposal to add a note about this ABNF-feature 4646bis
can now finally eliminate one of "x" / "X".

Frank



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