When the user double clicks on a word the space at the end of the word is also selected, and usually that's not what we want. For many situations it doesn't matter if the space is inside or outside the selection, but currently I'm creating a plugin for a client and due to the CSS the space is collapsed due to the css if it's inside the generated tag, so we want it out.
More info in this blog post
Licensed under the terms of any of the following licenses at your choice: GPL, LGPL and MPL.
ImagePaste version 0.1:
1. Extract the contents of the file into the "plugins" folder of CKEditor.
2. In the CKEditor configuration file (config.js) add the following code:
config.extraPlugins = 'smallerselection';
3. You're done. There are no config options, buttons, etc...