Tools/Scripts/validate-committer-lists reports many commits with invalid users, because many address are missing from contributors.json. Some of them weren't added ever, some of them were removed/changed. We should add all historical email address to be able match each commit to a real user in contributors.json.
Created attachment 263251 [details] Patch
Comment on attachment 263251 [details] Patch Clearing flags on attachment: 263251 Committed r191280: <http://trac.webkit.org/changeset/191280>
All reviewed patches have been landed. Closing bug.