Re: Roundtripability of identity transform

  -The output will be minus the doctype
and may have another doctype (from xsl:output)

  -The output will contain any defaulted elements/attributes
it may or may not, depending whether the system chosse to read an
external dtd.

  -All entities will be expanded

 CDATA sections will not be preserved (but may be added
(by cdata-section-elements)


whitespace may have gone (xsl:strip-space)
or may be added (xsl:output indent="yes)


comments may have gone (if they are not reported by the parser)


namespace declarations may have moved.



For XSLT2 the situation is a bit more compilcated:

whitespace may be preserved or dropped depending on the phase of the
moon.


A system may only store typed value, and serialise using a canonical
serialiation so <foo>1.00000</foo> may come out as <foo>1.0</foo>
given a schema that says foo has an appropriate numeric type.


David

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