Subject: [xsl] RE: From: "Zarella Rendon" <zarella@xxxxxxxxxxxxx> Date: Fri, 21 Dec 2001 22:14:55 -0600 |
Hi Mark, Thanks for your comments. Some of the questions you have may be answered by reading the complete group of specifications, not just XPath 2.0. Most especially, note that the Functions and Operators document includes arithmetic operators. Here is a list of the specifications associated with XPath 2.0: - XSLT 2.0: http://www.w3.org/TR/xslt20/ - XPath 2.0 http://www.w3.org/TR/xpath20/ - XQuery 1.0 http://www.w3.org/TR/xquery/ - data model for XQuery and XPath http://www.w3.org/TR/query-datamodel/ - functions and operators for XQuery and XPath http://www.w3.org/TR/xquery-operators/ Zarella Rendon for the W3C XSL WG > -----Original Message----- > From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Mark > Nahabedian > Sent: Friday, December 21, 2001 10:22 AM > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Cc: www-xpath-comments@xxxxxx > Subject: > > > > I've not read the new XPath spec, but from Miloslav's summary of the > differences, it sounds like there are some more primitive operations > which I feel should be teased out and exposed to the programmer. For > example > > integer arithmetic operators > > floating point arithmetic operators > > numeric comparisson > > lexicographic comparison with respect to a specified collating > sequence > > With the ground level operations exposed to the programmer, they can > be composed to best suit the needs of the application. The "standard" > operations associated with the special prerfix and infox operators > should be specified in terms of these primitive operators, type-checks > and type conversions. > > Also, I've occasionally noted in conversations with friends that I > felt that the XPath 1.0 grammer was too complicated. It seems to me > that the notion of data type was folded into the grammar rather than > it being included in the specifications of each operator's semantics > as is the case in most language specs. This is just an impression > thoough, I've not researchd this sufficiently to produce concrete > example though. > > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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