Re: top level xsl:param confusion

If you pass in an empty string then that is its value, not the default
of false() however an empty string, used in a boolean context will
coerce to false() so in many cases it will come to the same thing.


<xsl:choose>
   <!--<xsl:when test="boolean($permission)"> or -->
   <xsl:when test="$permission">


both those are the same thing as test= always has an effective boolean()
aroiund its value to coerce whatever there to a boolean.

easiest is probably to make your default value  'defult' or some such
then you can say
test="$permission != 'default'"

David


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