[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] q on xpath 2.0 reserved functions
Spec lists the following as reserved fn names. attribute,comment,document-node,element,empty-sequence,if,item,node,processing-instruction,schema-attribute,schema-element,text,typeswitch Does this mean that user can register other "unprefixed" xpath functions [custom ones]. If No, okay. If yes, quick, but naive Q. What if user defined an unprefixed function named instruction(), or a function named sequence()? Lets say instruction() and sequence() functions return numerical values. What would happen if the user performed the xpath on the following doc. <numberOfTasks> <processing>20</processing> ... <empty>1</empty> </numberOfTasks> xslt ------- <xsl:template match="numberOfTasks"> <netValue><xsl:value-of select="processing-instruction()"/></netValue> <someValue><xsl:value-of select="empty-sequence()"/></someValue> </xsl:template> Whats the behaviour? Should this be explicitly disallowed? I'll close my eyes and wait :-) Someone's gonna use a sledgehammer on me :-) Ram
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