[Bug 29951] [FO31] fn-transform "saved"

https://www.w3.org/Bugs/Public/show_bug.cgi?id=29951

Abel Braaksma <abel.braaksma@xs4all.nl> changed:

           What    |Removed                     |Added
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                 CC|                            |abel.braaksma@xs4all.nl

--- Comment #12 from Abel Braaksma <abel.braaksma@xs4all.nl> ---
> because the XSLT specification allows a stylesheet to invoke extension 
> functions that have side-effects
This suggests that only extension functions have side effects, while in effect
there's more (in addition to xsl:result-document and the principal output
document):

- XSLT uses XPath, which defines fn:trace, fn:transform etc which may have side
effects
- XSLT defines xsl:message, xsl:assert which may cause side effects
- XSLT can have extension functions, attributes and instructions that may cause
side effects

I'd propose to either enumerate all of them or to make the statement more
generic.

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