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We're looking to show a revision history between two text entries, ideally using semantic html with demarcating edits tags:

So for example:

Old Text

Stack Overflow is a question site for professional and enthusiast programmers

New Text

Stack Overflow is a question site for enthusiast programmers like you

Resulting Text:

Stack Overflow is a question site for <del>professional and</del> enthusiast programmers <ins>like you</ins>

A simple word by word diff is likely to run into challenges as soon as the string is resumed if it's been replaced with more than one word at a time.

The diff doesn't necessarily need to markup the final product, but even just getting a tokenized list of revisions would be really helpful, perhaps by leveraging something like git.

Any libraries that already handle something similar, preferably using javascript or node?

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