RE: [xsl] How to quote "${abc}" so it will pass through without evaluation?

["Karr, David" <david.karr@xxxxxxxx>]

> -----Original Message-----
> From: Passin, Tom [mailto:tpassin@xxxxxxxxxxxx] 
> 
> > From: Karr, David [mailto:david.karr@xxxxxxxx]
> > Sent: Monday, June 21, 2004 4:36 PM
> 
> > I'm trying to write an xsl to transform an Ant script, adding
> > a couple targets with tasks that reference patterns like 
> > "${abc}" in attribute values.  I can't figure out how to 
> > specify "${abc}" in attribute values in my template so it 
> > will just generate "${abc}" and will not try to evaluate it.
> 
> Double the braces -
> 
> {{$abc}}

This helped, but it actually appears to require "${{abc}}".  That
translates to "${abc}" in the output, as I needed.

Where is it described exactly what that's supposed to do?  Is this
described in MK's XSLT Prog. Ref. - First Edition?