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It’s using AI to try and determine if it’s a proper noun or other scenario where multiple words are really one semantic term. Except it’s really really bad at it and it’s almost never the behavior I want, but there’s no way to turn it off. (I vaguely remember there was a WWDC talk sometime a couple years ago where they went into how this works)

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Word segmentation has been a longstanding problem in CJK languages too. Coupled with the terrible text selection in iOS it makes it really hard to select substrings.

I know when I was on Android they'd do some smarts to detect stuff like that (handy for copying links)

But I swear if that's what they're trying to do here, I've never seen it work properly once. It's always just a random substring of the sentence.

It works surprisingly well on Android; expanding to grab a full address, for instance, or complete phone number. Sometimes it needs tweaking, but mostly it's directionally correct and helpful rather than harmful

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