xlink, not multilink or xml-link

On Fri, 21 Feb 1997, Henry S. Thompson wrote:

> >  3.2.a What should the generalized multiway link be called? Multilink, 
> >  General Link, Independent link, anything else? 
> Multilink will do, xml-mlink for short.

Why not just "xlink"? The initial "x" suggests:

    * graphically the multiway connections of the link
    * "X"ML
    * its (potential) "x"ternal nature

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