On 26/06/2015 16:33, W.S. Hager wrote:
Sorry, what I meant is: how did sequences come into XPath? Was it borrowed from another system or did it appear first in XPath?
It's a modification of the node set datatype introduced in xpath 1 (which didn't have sequences) Xpath 1 didn't have a type corresponding to a node (or item) only node set, so treating a single item as the same as a set of size 1 was more or less a requirement (and a very elegant ruse:-) 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 Microsoft Office 365. ________________________________ _______________________________________________ [email protected] http://x-query.com/mailman/listinfo/talk
