What exact text are you trying to copy, though? Are you trying to copy the word "technology"? And you're saying you can't do that because there's already a highlight annotation on it?
OK, got it. We'll address this, but it may not happen until we add proper annotation copying support as in the desktop app, where you get the quote plus an automatic citation.
We'll think about it, but the problem with double-tap is that it means that the annotation widget couldn't appear on a single tap — it would have to wait to make sure you weren't double-tapping. So the annotation interface would feel more sluggish.
In the PDF reader, if you long-tap with the pencil on a word and then let go, it highlights the word, so that seems like a reasonable approach here for selecting highlighted text (and then adjusting with the drag handles if necessary) without triggering the annotation widget.
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I record a video
https://imgur.com/a/zR2aIio
双击可以选择一个单词
长按可以选择一个字母
我认为双击用来放大缩小可能没有必要，因为我用双指放大缩小，双击放大的比例通常不是我要的比例，所以双击不实用。
https://imgur.com/a/lyNqdfV
In the PDF reader, if you long-tap with the pencil on a word and then let go, it highlights the word, so that seems like a reasonable approach here for selecting highlighted text (and then adjusting with the drag handles if necessary) without triggering the annotation widget.