Subject: Re: [xsl] Re: xpath2 functions returning () From: David Carlisle <davidc@xxxxxxxxx> Date: Fri, 4 Jan 2002 17:12:56 GMT |
> It is correct to define the empty string and the empty sequence to be > the same strings (the empty sequence naturally belongs to all sequence > types). That wuld be a rather big change. If strings were sequences in that sense then ("abc")[2] would be "b". Currently in the Xpath2 draft strings, like any values of a primitive type are considered to be equivalent to sequences of length 1, with the value of the item in the sequence being the string. (Ie Xpath2 has taken sequences on board totally, singleton values are not really first class objects any more, they are just sequences of length 1) David _____________________________________________________________________ This message has been checked for all known viruses by Star Internet delivered through the MessageLabs Virus Scanning Service. For further information visit http://www.star.net.uk/stats.asp or alternatively call Star Internet for details on the Virus Scanning Service. XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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