Spelling should ignore whitespace. To test manually, type 'hello, wellcome home.', select ' wellcome ', and context-click on the selection. The test succeeds when the context menu has spell check suggestions.
Created attachment 186070 [details]
Comment on attachment 186070 [details]
Clearing flags on attachment: 186070
Committed r141608: <http://trac.webkit.org/changeset/141608>
All reviewed patches have been landed. Closing bug.