id summary reporter owner description type status priority milestone component version resolution keywords cc 12939 Document plugin definition better Chris Graham "The API docs for addButton are incomplete: http://docs.ckeditor.com/#!/api/CKEDITOR.pluginDefinition It does not document 'icons'. 'icons' is particularly tricky because it is a comma-separated list, not a native JS list. This caused me quite a lot of confusion when debugging. Make sure it clearly specifies it as a comma-separated list. " Task confirmed Normal Documentation & Samples