Re: Last call announcement for XML 1.1

On Wednesday 19 June 2002 05:12 pm, John Cowan wrote:
> > I never understood this discrimination against numbers and wonder if
> > there was much demand to finally permit them and it was decided
> > against? (Or where did this constraint come from in the first place?)
>
> It comes from SGML, but in general most computer languages don't allow
> identifiers that begin with digits, so they don't get confused with
> numbers.

As an aside, it's been a minor, but common, inconvenience, particularly in 
the blog context where I have to stick a silly underscore in the URIs:

http://blog.example.org/2002/06#_05.tu