Re: [office-formula] Portable documents language

["Andreas J. Guelzow" <andreas.guelzow@concordia.ab.ca>]

On Thu, 2010-02-04 at 17:41 -0700, Patrick Durusau wrote:
> Greetings!
> 
> Under Named Expressions - General, we say:
> 
> > Portable documents *should *limit the names of their identifiers to 
> > only ([UNICODE]) letters, underscores, and digits, not including 
> > patterns that look like cell references or the words True or False.
> >
> Eh?
> 
> Is this meant to be a reference to XML letters, underscores and digits?
> 
> Well for that matter, can someone speculate on what names are valid as 
> per the following syntax:
> 
> > PortableIdentifier ::= ( LetterXML
> >
> >         (LetterXML | DigitXML | '_' | CombiningCharXML)* )
> >       - ( [A-Za-z]+[0-9]+ )
> >       - ([Tt][Rr][Uu][Ee]) - ([Ff][Aa][Ll][Ss][Ee])
> >
> I suspect that something like:
> 
> PortableIdentifier ::= ( LetterXML (LetterXML | DigitXML | '_' | CombiningCharXML)* )
> - ([Tt][Rr][Uu][Ee]) - ([Ff][Aa][Ll][Ss][Ee])
> 
> 
> was intended.

Surely not.

Strings like "A1" should surely also be excluded.

Andreas