<legend> is not part of the multicolumn flow.
Created attachment 393903 [details]
Created attachment 393908 [details]
*** This bug has been marked as a duplicate of bug 209252 ***
Let's dupe the other way around.
*** Bug 209252 has been marked as a duplicate of this bug. ***
Looks good to me, too, thanks. :)
Committed r258666: <https://trac.webkit.org/changeset/258666>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 393908 [details].