Did we look at the same results here? Atom has memory balloon when loading test.xml without highlighting, takes 4x as long as Code to rehighlight, simple searc

Did we look at the same results here? Atom has memory balloon when loading test.xml without highlighting, takes 4x as long as Code to rehighlight, simple search and replace basically doesn't terminate. They are both terrible but at least Code doesn't seem to hit any degenerate cases.