Re: xml-parse-region broken?

[Juliusz Chroboczek <Juliusz.Chroboczek@pps.jussieu.fr>]

>>>> (require 'xml)
>>>> (with-temp-buffer
>>>> (insert "<a>\n</a>\n")
>>>> (xml-parse-region 1 (point-max)))

>>>> With 21.4.1, this gives ((a nil)).  With 22.0.50.1 (Debian version
>>>> 1:20060824-1), it gives ((a nil "\n")).
> I understood this part, but I don't know in what sense is the new
> behavior broken.  The text bracketed by <a> ... </a> is indeed "\n",
> isn't it?

Hmm... yes, you're right.  As the comments in xml.el say

> ;; Whitespace is preserved.  Fixme: There should be a tree-walker that
> ;; can remove it.

Fine, then, I'm coding for the new interface now.  What's the
canonical way to detect at runtime which interface is implemented?

Thanks,

                                        Juliusz