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What code is responsible for adding - in front of taxonomy term sublevels on a taxonomy field in a node edit form?

screenshot

Even though the most non-intrusive way to override it is preferred, I'm comfortable even with core patches.

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    @leymannx thank you for trying to improve the question but I'm not trying to remove them, I wanted to change the style. For now I've set it to '└ ' for example – int_ua Jan 29 at 13:20
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    Ah yeah, good! Clarification always is an exchange. 👍 – leymannx Jan 29 at 13:44
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Looks like there is no easy way to override them, they are added by TermSelection::getReferenceableEntities in core/modules/taxonomy/src/Plugin/EntityReferenceSelection/TermSelection.php:73:

$options[$vocabulary->id()][$term->id()] = str_repeat('-', $term->depth) . Html::escape($this->entityRepository->getTranslationFromContext($term)->label());

If you decide to edit it, I suggest using a Composer patch system afterwards if you are using Composer.

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