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Robert Knight authored
As part of the removal of jQuery from the annotator, remove usage from `range.js`: - Replace `parents()` method with a small helper function - Rewrite `getTextNodes` function to accept and return DOM nodes rather than jQuery collections - Use `Node.contains` instead of jQuery's `contains` method. Note that there is a semantic difference that `contains(nodeA, nodeA)` returns `false` whereas `nodeA.contains(nodeA)` returns `true`. This enabled simplifying a condition.
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