Bug 63233 has fixed the missing space between wrapped lines during copy. However, it missed the case when the spaces are multiple rather than single.
Created attachment 225655 [details] fix patch
Comment on attachment 225655 [details] fix patch thanks for the review.
Comment on attachment 225655 [details] fix patch Clearing flags on attachment: 225655 Committed r165105: <http://trac.webkit.org/changeset/165105>
All reviewed patches have been landed. Closing bug.