Better linebreak in comment.
Allow adding a shortcut to SERCHILO_PLANET_NAMESPACE if the keyword is new in SERCHILO_PLANET_NAMESPACE.
Comments.
Avoids warning if not set yet.
Don't continue form validation if there are already errors.
Allow adding a shortcut to any site namespace if the keyword is new to any namespace.
More explicit: only this button.
Less whitespace.
Make Reset button a warning button.
Make Go and Apply button a primary button.
Remove Preview button.
Set first as active tab (normalization).
Remove Page content type.