Be more consistent with animation options
Be more consistent with control options
Be more consistent with geolocation options
Be more consistent with interaction options
Be more consistent with layer options
Be more consistent with parser options
Be more consistent with projection options
Be more consistent with source options
Be more consistent with map options
Be more consistent with overlay options
Be more consistent with style options
Be more consistent with tilegrid options
Be more consistent with view options
Merge pull request #489 from twpayne/consistent-options

Consistent options
Use Closure type identification functions