[no subject]

   1. Sequential ordering due to the language specification.

   2. Sequential ordering due to logical dependencies of constructs in the
code.


I want to be sure that I understand what these mean.

Below are examples of each. Do you agree with them? Would you provide
additional examples please?

EXAMPLES OF SEQUENTIAL ORDERING DUE TO THE XSLT SPECIFICATION

   EXAMPLE #1

In an <xsl:choose> element the first <xsl:when> element must be evaluated
before the following <xsl:when> elements and the <xsl:otherwise> element, if
present.

   <xsl:choose>
      <xsl:when test="evaluate me first">
        ...
      </xsl:when>
      <xsl:when test="evaluate me second (if the first test failed)">
        ...
      </xsl:when>
   </xsl:choose>


   EXAMPLE #2

-- need another example --


EXAMPLES OF SEQUENTIAL ORDERING DUE TO LOGICAL DEPENDENCIES OF CONSTRUCTS IN
THE XSLT CODE

   EXAMPLE #1

A variable can be used only _after_ it's been initialized, e.g.,

   <xsl:variable name="number" select="ex:Square(4)" />

   <xsl:value-of select="$number" />

The <xsl:value-of> element must be evaluated only _after_ the <xsl:variable>
element has been evaluated.


   EXAMPLE #2

In this example the sum() function must be evaluated before the multiplication
occurs:

   <xsl:value-of select="sum(Cost) * 1.2" />


Are there other factors which cause sequential ordering of execution?

/Roger

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