阿拉伯语搜索规范化：缺少对 Hamza 变体、Ya/Kaf 形式和拼写等效性的支持

[supermathie (Michael Brown)]

@serkhelesheyi

Preprocessing both indexed content and user queries to unify character variants.

For this part of the problem, we’re talking about a Unicode standard NFKC (to pick one) normalisation?

(I’m not even sure what we do… I assume we normalise post text in the cooking pipeline?)