They don't apply to text nodes.
Created attachment 213222 [details] patch
Created attachment 213223 [details] slightly better patch
https://trac.webkit.org/r156816
It looks like this patch caused 8 tests to fail: http://build.webkit.org/results/Apple%20MountainLion%20Release%20WK1%20(Tests)/r156817%20(13451)/results.html
Re-opened since this is blocked by bug 122259
Created attachment 213325 [details] fix an accidental change
Comment on attachment 213325 [details] fix an accidental change Attachment 213325 [details] did not pass mac-wk2-ews (mac-wk2): Output: http://webkit-queues.appspot.com/results/2976034 New failing tests: compositing/repaint/positioned-movement.html
Created attachment 213327 [details] Archive of layout-test-results from webkit-ews-13 for mac-mountainlion-wk2 The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews. Bot: webkit-ews-13 Port: mac-mountainlion-wk2 Platform: Mac OS X 10.8.5
https://trac.webkit.org/r156876 (with the test fixed)