[ZPT] Possible changes to path-related

[R. David Murray]

On Mon, 30 Apr 2001, Evan Simpson wrote:
> This will set the 'checked' attribute if and only if 'request/form/foo'
> exists and is true.  Using '(exists)' would set it when the path exists,
> regardless of value.  Using '(if)' sets the attribute when the value
> exists and is true, but raises an error if it doesn't exist.  This form

Unfortunately, the English/intuitive meaning of 'if exists' is the one
actually implemented by just 'exists'.  This will probably lead to confusion.

I don't like 'if', but I don't have a better suggestion.

--RDM