Saxon » SaxonJS

It appears to be an error in the static phase, as the result after static processing is:

<xsl:stylesheet xmlns:ex="http://ns.saxonica.com/xslt/export" xmlns:math="http://www.w3.org/2005/xpath-functions/math"
      xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="FOO" 
     version="3.0" ex:ns="xml=~ xsl=~ xs=~ math=~ =FOO">
   <xsl:template ex:ns="xml=~ xsl=~ xs=~ math=~ =FOO" ex:baseUri="http://localhost/XSLT3/special/bugXXXinc.xsl"
            ex:precLabel="A" ex:lineNr="2" match="a">
      <A ex:lineNr="3" ex:exclude="http://www.w3.org/2001/XMLSchema http://www.w3.org/2005/xpath-functions/math"/>
   </xsl:template>
   <xsl:template ex:ns="xml=~ xsl=~ xs=~ math=~ =FOO" ex:baseUri="http://localhost/XSLT3/special/bugXXX.xsl" 
        ex:precLabel="A" ex:lineNr="3" match="b" xpath-default-namespace="FOO">
      <B ex:lineNr="4" ex:exclude="http://www.w3.org/2001/XMLSchema http://www.w3.org/2005/xpath-functions/math"/>
   </xsl:template>
</xsl:stylesheet>

where the template matching b does not have an inherited @xpath-default-namespace from its original parent.

It seems that it can be fixed by adding

<xsl:apply-templates select="../@xpath-default-namespace" mode="#current"/>

at static.xsl#938. At this point we're processing a top-level component and we're about to process its own attributes; this processes the xpath-default-namespace attribute on the parent element first. I do wonder if there are other attributes that should receive the same treatment: the ones to look at are

default-collation, default-mode, default-validation, exclude-result-prefixes, expand-text, extension-element-prefixes, use-when, version.

I'll think about adding tests for some of these.

Added tests for expand-text on an included module (cvt-046, cvt-047). The tests pass on both Saxon-J and Saxon-JS -- though it looks to be a case that was definitely untested before.

default-mode seems to be covered by test mode-1617.

Added tests collations-0126 and collations-0127 to test default-collation at xsl:stylesheet level. These tests are failing on Saxon-JS, along with many other collation tests, but that's within the scope of bug #4616.