Re: [darcs-devel] PatchPlugins / XML files

2008-02-14 Thread Max Battcher
Allan Lyons wrote:
 If I come up with something that works for arbitrary, valid XML, would 
 anyone else be interested?

There's certainly quite a bit of interest in such work from what I've 
heard.  A particular scenario would be if you can generate light-weight 
patches for the large zipped XML files (ODF, some OOXML) that are much 
kinder than the current large binary patches for these files.  Albeit 
that brings up the issue of zip-transparent patch types, which have been 
debated but nothing yet has happened on that front either.

One issue to consider, however is the question of valid.  Presumably 
you aren't talking about constraining to well-described schema (as in 
the XML world usage of valid) and instead just mean syntactically 
valid.  Even then, David Roundry has expressed concern that even 
syntactically invalid documents may need to be expressed (consider an 
XML document in progress composed in a text editor and not syntactically 
validated until finished), so there'd need to be some sort of fallback 
mechanism in that case.

--
--Max Battcher--
http://www.worldmaker.net/
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Re: [darcs-devel] PatchPlugins / XML files

2008-02-13 Thread Mark Stosberg
On Thu, 7 Feb 2008, Allan Lyons wrote:

 Hi,

 On http://wiki.darcs.net/DarcsWiki/PatchPlugins there is discussion
 about different atomic patch types.  The page points out that test
 files are different from binary files and suggests that those two cases
 might be handled adequately.  It also points out that XML is different
 from both text and binary.  (XML is kind of like text but the file might
 have no line endings, patches really shouldn't break the
 well-formedness of documents, etc.)

 I've looked, but so far I haven't seen whether anything like treating
 structured data like XML separately from text and binary has been
 attempted.  Is anyone else interested in this sort of thing?

 Or has handling XML in darcs already been addressed and I just haven't
 seen it yet?

Allan,

The functionality is not in darcs now,but it has been discussed before.
For example, here:

http://www.mail-archive.com/[EMAIL PROTECTED]/msg03808.html

 Mark

-- 
http://mark.stosberg.com/


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[darcs-devel] PatchPlugins / XML files

2008-02-07 Thread Allan Lyons
Hi,

On http://wiki.darcs.net/DarcsWiki/PatchPlugins there is discussion 
about different atomic patch types.  The page points out that test 
files are different from binary files and suggests that those two cases 
might be handled adequately.  It also points out that XML is different 
from both text and binary.  (XML is kind of like text but the file might 
have no line endings, patches really shouldn't break the 
well-formedness of documents, etc.)

I've looked, but so far I haven't seen whether anything like treating 
structured data like XML separately from text and binary has been 
attempted.  Is anyone else interested in this sort of thing?

Or has handling XML in darcs already been addressed and I just haven't 
seen it yet?

Thanks,

Allan.
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