On 9/5/07, Pops <[EMAIL PROTECTED]> wrote:
>
> In practice, element ids are meant to be unique for practical
> purposes but there is no standard restriction that it there SHOULD NOT
> be more than one defined.
Actually, but HTML 4.01[1] and XML 1.0[2] specify that IDs must be unique.
>From the HTML 4.01 Spec:
id = name [CS] (CS means "case sensitive" --Aaron)
>
This attribute assigns a name to an element. This name must be unique in
> a document.
>From the XML 1.0 Spec
Validity constraint: ID
>
> Values of type ID MUST match the Name production. A name MUST NOT appear
> more than once in an XML document as a value of this type; i.e., ID values
> MUST uniquely identify the elements which bear them.
>
>
[1] http://www.w3.org/TR/html401/struct/global.html#h-7.5.2
[2] http://www.w3.org/TR/REC-xml/#id
--
Aaron Heimlich
Web Developer
[EMAIL PROTECTED]
http://aheimlich.freepgs.com
