Merge commit 'b078a7f780f2aaf3917660902fd839abada5e167' * commit 'b078a7f780f2aaf3917660902fd839abada5e167': Do not show radio/checkboxes for <optgroup> labels.
Merge commit 'b078a7f780f2aaf3917660902fd839abada5e167' * commit 'b078a7f780f2aaf3917660902fd839abada5e167': Do not show radio/checkboxes for <optgroup> labels.