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    <p>Firstly, the XSLT specification says how an XSLT processor interprets the version attribute, but it doesn't constrain what pieces of software other than an XSLT processor do with it. For example, an IDE (such as XML Spy) might look at the version attribute and use it to decide whether to launch an XSLT 1.0 or XSLT 2.0 processor. Once an XSLT 1.0 or 2.0 processor is launched, its behaviour is controlled by the relevant spec.</p> <p>What an XSLT 1.0 processor does with the version attribute is defined by the XSLT 1.0 specification; what a 2.0 processor does is defined by the XSLT 2.0 spec.</p> <p>The XSLT 1.0 spec says that if the version is NOT 1.0, the processor runs in forwards compatibility mode. This basically means that it does its best to ignore constructs that aren't defined in the 1.0 spec. So if your stylesheet says version="2.0", and you run it with a 1.0 processor, then an attribute that is new in 2.0 like xsl:sort/@collation will be ignored. An instruction that isn't recognized causes a failure only if it is actually executed, and if it has no xsl:fallback child instruction to give a fallback behaviour for 1.0 processors. The design principle is that using 2.0 constructs should not cause a 1.0 processor to fail; wherever possible, it should cause it to run with some kind of fallback behaviour.</p> <p>The XSLT 2.0 specification (which controls the behaviour of a 2.0 processor) distinguishes verion&lt;2.0, version=2.0, and version>2.0. When version&lt;2.0, the processor runs in "backwards compatible mode". This doesn't mean that 2.0 constructs are rejected; rather it means that 1.0 constructs are executed with semantics as close as possible to those defined in the 1.0 specification. For example, all arithmetic is carried out as double floating point, even if the operands are decimals. When version>2.0, the processor runs in forwards compatible mode, which is very like forwards compatible mode in the 1.0 specification: it means that if you use XSLT 3.0 constructs, the processor will do its best to ignore them or execute fallback instructions.</p>
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    1. POThe meaning of the version attribute in the xsl:stylesheet tag
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    1. USMichael Kay
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    1. COThanks Michael - most helpful. That's why I love this site - clear explanations from true experts. As an aside, I was at Trinity starting in '75 and then later did a short stint at ICL
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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