As an alternative, you have two theme components:
-
Add <abbr> tags to words in posts – it replaces words with
<abbr>HTML tag.
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GitHub - Arkshine/discourse-tooltipify-words · GitHub – Something I did some time ago for someone. it’s a copy of Auto-Linkify Words but relying on
<DTooltip>component so we can use HTML in it. You can regular expressions.
