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Re: [xsl] [Ann] Oxygen XML Editor version 23 release

2020-11-23 11:15:21

I don't see what is unfortunate about people using XSLT 1.0. I don't see why 
people dislike the fact that others are using it.

You're building up technical debt. The concept here is that you can spend $N 
every year on updating and refreshing the technology you are using, or you can 
depreciate your asset by $M per year if you don't, and you need to assess 
whether $N exceeds $M.

The depreciation you apply depends on whether you're doing any ongoing 
development. If you are, then you should factor in that moving to new 
technology will reduce those development costs.

If you want you can also factor in risk (how exposed are you to some major 
discontinuity that stops the whole thing working, e.g. a security 
vulnerability), support costs (is there anyone who still knows this stuff?), 
and staff retention (can you find good people who are prepared to work with old 
technology).

So it's not a question of like or dislike, fun or no fun, it's a question of 
economics, of minimising the lifetime costs of your system. Of course, the 
calculations will come out differently for different projects.

Michael Kay
Saxonica
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