XCond: towards an XML version of conditional inclusion
cowan at locke.ccil.org
Tue Jun 2 22:44:04 BST 1998
Tim Bray wrote:
> UNLESS could be replaced by a negation attribute or simply dropped
> and leave that up to the expression. Not sure if that's an improvement
> or not.
It's nice to be able to say what a string shouldn't be, when there's
no evaluator available: i.e. include *unless* these two strings
match. Making it a different attribute is basically just factoring
the XCond:type attribute; Occam says, make it a single attribute.
> But I'm pretty sure it be nice to have a fall-through
> default, i.e.
> <SELECT XCond:value="xx">
> <OTHERWISE> if none of them works </OTHERWISE>
A good idea. Next draft (like, tomorrow).
> Also, I'd put the examples *first*, the formalism later -Tim
I'll make a hyperlink at the top.
John Cowan http://www.ccil.org/~cowan cowan at ccil.org
You tollerday donsk? N. You tolkatiff scowegian? Nn.
You spigotty anglease? Nnn. You phonio saxo? Nnnn.
Clear all so! 'Tis a Jute.... (Finnegans Wake 16.5)
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