Re: Substitute pattern over multiple lines

On Wed, Dec 23, 2020 at 10:52:43PM -0600, Tim Chase wrote:
> On 2020-12-23 22:34, John Cordes wrote:
> > :g/^2 TYPE tngnote//2 NOTE /s/^2 NOTE \zs\(.*\n\(\%(\D\|3 CONC
> > \).*\n\)\+\)/\='<div
> > class="xxx">'.substitute(substitute(submatch(1), '\n3 CONC ', '',
> > 'g'), '\n', '', 'g')."<\/div>\n"
> >
> > which as far as I can tell at the moment is working perfectly,
> > handling all situations the way I wanted.
>
> The only glaring edge-case is a situation in which a "2 TYPE tngnote"
> section is followed by *no* NOTE, followed by a section that *isn't*
> a "2 TYPE tngnote" that *does* have a NOTE that shouldn't be touched
> such as
>
> 2 TYPE tngnote
> 9 TIM FAKE ANNOTATION this tngnote has no NOTE
> 2 TYPE granola
> 2 NOTE Don't touch granola-type notes or
> 3 CONC rewrap their content or add <div>s!
>
> In such a case, it will wrap the NOTE even though it's in a different
> TYPE that shouldn't be touched because it's the first NOTE after a "2
> TYPE tngnote", even though it's in a different section.
>
> So that's where I'd focus my checking :-)
>
> -tim

Thanks Tim. The GEDCOM file, exported from my desktop genealogy
program TMG, *shouldn't* have a case like that (a tngnote tag
which isn't followed by its own Note), but... Hey, it's produced
by a large, complex, software program which is no longer supported
and does have a few known bugs. So obviously one can never
guarantee what will actually happen in practice.

I will certainly keep a lookout for this edge case -- it would
indeed lead to very undesirable results. Presumably I should be
able to do a search for two successive "2 TYPE tngnote" entries
which don't have an intervening "2 NOTE " tag. Not sure how, but
I'll give it a try. :-)

Thanks for the heads-up on this,
John

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