Re: Are entities containing mark-up allowed in attribute values?
> Rob Lugt got a number of answers to his question: > > >Are entities containing mark-up allowed in attribute values? An attribute value cannot contain elements. So if I have <x y="<z/>" /> then the contents of z (i.e. <z/> ) are not interpreted as some kind of empty-element tag. If I have <x y="<z/>" /> it is an error. An attribute can refer to an element or entity which does contain markup of element (i.e., IDREF or ENTITY attributes) and an attribute can contain text which some later, extra-XML process parses as XML. At different points in an XML document, different kinds of markup are recognised or allowed. To keep this under control, in XML you can only type < or & if you are using them * as part of an open delimiter * inside a CDATA sections, PI or comment Cheers Rick Jelliffe
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