[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Boolean attributes in XHTML/HTML5
On 10/02/2012 10:26, Jesper Tverskov wrote: > Is there an explanation why we ended up with the awkward disabled="disabled"? yes it's the SGML heritage. in the short form <foo disabled> it is not the attribute _name_ that is given it is the _value_, if there is one attribute with that value allowed in the schema, you don't need to give the attribute name. most html parsers though didn't implement sgml rules and took it as an attribute name (with a value being omitted or ignored) so disabled="disabled" makes both views work, html5 cut the ties with sgml so can relax the rules. David ________________________________________________________________________ The Numerical Algorithms Group Ltd is a company registered in England and Wales with company number 1249803. The registered office is: Wilkinson House, Jordan Hill Road, Oxford OX2 8DR, United Kingdom. This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. ________________________________________________________________________
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