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Re: My XPath mistakenly referenced an element that do

Subject: Re: My XPath mistakenly referenced an element that doesn't exist and I got no error message ... is this bad language design?
From: "Wendell Piez wapiez@xxxxxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 14 Oct 2021 14:33:04 -0000
Re:  My XPath mistakenly referenced an element that  do
Graydon, this is good. Yes, fair enough.

In Schematron's favor, it is not so hard to deploy it over collections
(using those 'other pieces'), and when combined with XSLT 3 it's pretty
darned powerful.

I'm not opposed to many ways to do it, of course!

Cheers, Wendell

On Thu, Oct 14, 2021 at 10:28 AM Graydon graydon@xxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> On Thu, Oct 14, 2021 at 02:19:47PM -0000, Wendell Piez
> wapiez@xxxxxxxxxxxxxxx scripsit:
> > Is this solution too demanding? (Not just defensive XSLT with extra
> tests in
> > your XPath but an entire Schematron?) I always wonder, when we get to
> that
> > point. What problem are we actually trying to solve?
>
> We're trying to solve (at least) three:
>
> - transform this to that
> - ensure it's the expected this
> - ensure it's the expected that
>
> I think it's good practice to build these separately, rather than trying
> to stuff the "expected this" part into the XSLT which is transforming
> this to that.  (Which means failed "expected this" tests prevent the
> transform from being attempted.)
>
> I'd also suggest XQuery in preference to schematron for the "expected
> this?" tests.  More power and available in "per collection" (and thus
> "entire input content set") aware flavours.
>
>
> --
> Graydon Saunders  | graydonish@xxxxxxxxx
> CC&s oferC)ode, C0isses swC! mC&g.
> -- Deor  ("That passed, so may this.")
>
>
>

--
...Wendell Piez... ...wendell -at- nist -dot- gov...
...wendellpiez.com... ...pellucidliterature.org... ...pausepress.org...
...github.com/wendellpiez... ...gitlab.coko.foundation/wendell...

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