place cursor where you double-clicked

place cursor where you double-clicked+status

place cursor where you double-clicked+priority

place cursor where you double-clicked+tag

place cursor where you double-clicked+commit

place cursor where you double-clicked+issues

When there's a double-click to edit, scroll (and place cursor) wherever they clicked (esp useful on on long cards) http://wiki.sheep.art.pl/Textarea%20Scrolling