Ladislav Lhotka <[email protected]> wrote:
> 
> > On 24 May 2016, at 16:33, Dale R. Worley <[email protected]> wrote:
> > 
> > (I've not received some of the discussion e-mails, so I am just now
> > responding.)
> > 
> > Ladislav Lhotka <[email protected]> writes:
> >> This follows from the fact that YANG doesn't support mixed content:
> >> there is no way how this whitespace can be made significant.
> > 
> > It seems to me that this is the restriction that should be stated:  "In
> > NETCONF XML, non-whitespace character content is only allowed as content
> > of elements that provide values.
> 
> Yes, it means in elements representing leaf and leaf-list instances.
> 
> > Non-whitespace character content in other locations is ignored."
> 
> You probably meant "whitespace character content" here. (?)
> 
> > 
> > 
> > Of course, this is a general statement about the XML encoding, not about
> > any specific Yang element.
> > 
> >> What about comments and processing instructions?
> > 
> > My understanding is that comments are always allowed, because they're
> > understood to be deleted by the XML parsing process.  Processing
> > instructions seem to be defined to be significant.  I would assume that
> > by default no processing instructions are allowed unless Netconf defines
> > one.
> 
> I agree.

PIs are directed to applications / implementations.  There are no
standard PIs defined.  However, I don't think it would be correct to
state that there MUST NOT be any PIs - if some implementation supports
a PI the client can send it to that implementation and everything is
fine.


/martin

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