When any selection is made, the left margin should gain a "begin fold" icon similar to the ones that appear next to the start of a foldable chunk of code. It would differ in appearance by replacing the dark gray color with the highlight color. Clicking this icon would fold the entire selection into a single fold. Unfolding the chunk of code would reselect that chunk of code only if another selection did not exist.
Please add this feature.
Thank you,
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