[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: The operator '!=' returns false when one operand d
> We have an issue with the XPath '!=' operator that has > a strange behavior when one of its operand doesn't > exist in the instance document. It returns 'false" > when you would expect "true" or some kind of exception > to be raised. A op B means "if some $a in A, $b in B satisfies $a op $b" So if A or B is empty, the result will always be false, regardless which operator you are using. You nearly always want to write not(a=b) rather than a!=b. Michael Kay Software AG home: Michael.H.Kay@xxxxxxxxxxxx work: Michael.Kay@xxxxxxxxxxxxxx XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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