[Koha-bugs] [Bug 35565] Authority Linker not properly including subfields

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=35565

Phil Ringnalda <phil at chetcolibrary.org> changed:

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--- Comment #2 from Phil Ringnalda <phil at chetcolibrary.org> ---
(In reply to Esther Melander from comment #0)
> LinkerOptions: broader_headings

That's precisely what broader_headings does: if there's no match for a heading
with more than one subfield, it removes the last one until it finds a match or
runs out of subfields to remove.

As the manual says, "This feature is experimental and shouldn’t be used in a
production environment until further expanded upon." The feature has been
untouched since it landed in 2012.

It would be possible to fix this particular problem by teaching it to not
remove subfields in the name portion and name-title portion of
https://www.loc.gov/marc/authority/adx00.html but then doing the same for x10
and x11 will be complicated by the way that you can actually have more than one
$d or $n, where one is part of the name and one is part of the title in a
name-title heading. Perhaps a config file for what subfields may be removed
from each bib field (since it would be reasonable to have different choices for
100/600/700/800)?

Or, in far fewer lines of code, remove the feature which has been experimental
and non-production and untouched for over 13 years.

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