Several lines on the page in the URL the are supposed to wrap just before a link are duplicated after the break, with the link tacked on the same line as the duplicate. Going to attach a reduction and try to find out if it was the bidi algorithm patch or the break-all/break-word patch that broke this (I am pretty sure it was one of them).
Created attachment 15671 [details] Reduction
Created attachment 15672 [details] Reduction Smaller reduction
Got a fix. Running tests now.
Created attachment 15673 [details] Re-add two lines that were removed for absolutely no reason in r24485 No layout test regressions. Includes a new layout test to ensure even I don't do it again.
Comment on attachment 15673 [details] Re-add two lines that were removed for absolutely no reason in r24485 r=me
<rdar://problem/5359088>
Committed revision 24621.