readmore pluggin for CKEditor
- copy readmore folder to CKeditor pluggin folder (editors\ckeditor\plugins)
- update config.extraPlugins in config.js
- copy ckeditor-readmore.css, ckeditor-readmore.js and jquery.once.min.js (if need)
enjoy new function in CKeditor
Note: This button is not light (can't click) when the your selected content is wrapped by tag div