[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Conditional statements in DTD?
Hi All, I am certain you cant use conditional statements within the DTD file so is it possible to make an attribute valid only if a parent element had an attribute set to something e.g. The 'StepTwo' element is valid as the 'allow' attribute in 'StepOne' is set to 'yes' < root> < StepOne allow="yes"> < StepTwo playing="hard" < / StepOne < / root> The 'StepTwo' element is invalid as the 'allow' attribute in 'StepOne' is set to 'no' < root> < StepOne allow="no"> < StepTwo playing="hard"> < / StepOne < / root> The 'StepTwo' element is valid because the 'allow' attribute is set to 'no' and there is no attribute for Step Two. < root> < StepOne allow="no"> < StepTwo> < / StepOne < / root> Surely things like this could be rather common? _________________________________________________________________ View your Twitter and Flickr updates from one place – Learn more! http://clk.atdmt.com/UKM/go/137984870/direct/01/
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