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Re: XML2.0: Comments (Was: Towards XML 2.0)

  • From: Greg Hunt <greg@firmansyah.com>
  • To: Dave Pawson <davep@dpawson.co.uk>
  • Date: Mon, 6 Dec 2010 01:45:31 +1100

Re:  XML2.0: Comments (Was: Towards XML 2.0)
If you are adding comments to a finished data structure, they might as
well be in-band, and so, part of the data.  If comments are for things
that are a work in progress then why require well-formedness?  What is
the use-case?

I asked earlier what these structured, meaningful in the context of
the document, comments are.  I still can't work out what they are
unless you are still trying to assume that the majority of XML is
meant to be as text read by humans.  I don't think that that is likely
to be the case.  Why fetishise the angle brackets?  Parsing comments
is not exactly rocket science.

On Mon, Dec 6, 2010 at 1:25 AM, Dave Pawson <davep@dpawson.co.uk> wrote:
> On Sun, 5 Dec 2010 14:10:16 -0000
> "Pete Cordell" <petexmldev@codalogic.com> wrote:
>> Original Message From: "Dave Pawson"
>> >> There seems to be two main uses of comments in XML today which is
>> >> aligned with the two schools of thought in this thread:
>> >>
>> >> 1.] Simply commenting out code or adding TODOs etc. - similar use
>> >> to standard code comments.
>> >> ...
>> > With  a KISS hat on, Use Mikes idea,
>> > and don't parse them any differently to any other element.
>> > That would answer the basic need, 1 above.
>> But the problem I see with Mike's <xml:comment/> proposal is that it
>> implies that the body of the comment is well-formed.  I think this is
>> too onerous if you're trying to hack stuff out to see where it's
>> broken, and likely to push someone over the edge.
> More included unecessary complexity Pete?
> That's why I'm suggesting a -1. Removes parser complexity
> and user headaches.
>> That's what I tried to convey in my example; where the start tag and
>> end tag don't match:
>> <!-- Ignore this until I fix it --
>> <MyElement>
>>     <!-- The price is changed by the controller -->
>>     <price>100.00</price>
>> </BrokenMyElement> <!-- Is this the problem? -->
> I'm suggesting fix it now, not later?
> No extra effort, just when you fix it.
> --
> regards
> --
> Dave Pawson
> http://www.dpawson.co.uk
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