Current wrapping shows a content which is not the real one. Ideally it should not wrap but if it needs to, should be something like:
{F154293}
Not:
{F154297}
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I don't believe this is realistically possible. Wrapping behavior is controlled by CSS (essentially, white-space: pre-wrap;) , and there's no "break in the middle of words" option. We could put word-break characters in between every single display character, but this is a huge mess.
I don't think the proposed behavior is desirable, either. We could possibly make it more clear when a line has wrapped, but this is already visible in the left-hand gutter: the second line does not have a line number.