[wp-hackers] Re: wp_insert_link() --> rss output

[DD32]

On Fri, 12 Oct 2007 00:57:39 +1000, Christian Höltje <docwhat+list.wp.hackers at gerf.org> wrote:
> In HTML and especially XML/XHTML/RSS the characters &, < , " must be
> be replaced with entities (escaping).  However, the canonical form of
> a URL is without any entities.  You would type in a browser
> foo.php?a=b&c=d not foo.php?a=b&amp;c=d.  The second would produce two
> arguments a=b and amp;c=d

In an XHTML document all Amperstands have to be url encoded in the get query var.
foo.php?a=b&c=d is not valid XHTML, foo.php?a=b&amp;c=d is valid XHTML.

You would not type the address into the url bar as b&amp;c it expects it to come as b&c