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Subject: Re: [docbook-apps] diff marking

On 11/14/2010 12:52 AM, Keith Fahlgren wrote:
> On Sat, Nov 13, 2010 at 6:59 PM, Mike Maxwell<maxwell@umiacs.umd.edu>  wrote:
>> But what a price :-(
> Understood. I haven't used either tool in a production environment, so
> I'm unable to give any endorsement. That said, I would not expect a
> feature-complete open source alternative in the short term:
> (schema-aware-) XML differencing is a seriously hard problem.

Would it be possible to do a two-step diff:
1) Run another XML diff, which produces some format like a patch
2) Use the patch to create a modified version of one of the input files, 
with 'revisionflag' appropriately marked.

There seem to be several programs "out there" that accomplish step (1), 
although I have no idea how well they work.  It seems like a fairly 
simple task to write a program that would perform step (2).  Admittedly, 
I haven't tried that, and it could be lots harder than I think :-).
	Mike Maxwell
         "A library is the best possible imitation, by human beings,
         of a divine mind, where the whole universe is viewed and
         understood at the same time... we have invented libraries
         because we know that we do not have divine powers, but we
         try to do our best to imitate them." --Umberto Eco

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