editing/selection/getRangeAt.html benefits from output of dump-as-markup.js if it supported logging locations of ranges. Add that support to dump-as-markup.js.
Pull request: https://github.com/WebKit/WebKit/pull/5994
Committed 256212@main (2b20e33c2fcc): <https://commits.webkit.org/256212@main> Reviewed commits have been landed. Closing PR #5994 and removing active labels.
<rdar://problem/101842752>