[Petal] attributes question

[Jean-Michel Hiver]

> or anything which is equivalent to that. It's possible that XHTML never 
> requires attrs with empty values but there are uses for them, alt="" being 
> one.

What's the use of an empty 'alt' tag?


> Also, there are other XML doctypes where they are common, including 
> anything that tries to represent program data structures like SOAP or 
> XML-RPC.

Maybe... I know I'm a bit boring but I am yet to see a real world
example where the current behavior of Petal would be a big showstopper.


> have different meanings in XML, we should be able to generate both of them. 
> The difference between them corresponds well with the difference between "" 
> and undef in Perl. There are 2 XML concepts we need to represent and we have 
> 2 distinct Perl conepts that we can use to represent them so why not map them 
> one to one?

It's quite a sensible argument. My main concern is backwards
compatibility and also laziness :) But I see your point and I might just
implement it for the next release of Petal.