How to add new fonts to the DNG text editor?
Accepted answer
The editor is based on CKEditor (4.4.5 in RDNG 6.0.1) with some customization made by IBM. I don't think there are officially supported ways to extend the available fonts. If you are brave enough, you can try to hack the com.ibm.rdm.web.ckeditor_####.jar package, but don't expect any supports from either IBM or CKEditor.
http://ckeditor.com/addon/font
http://docs.ckeditor.com/#!/api/CKEDITOR.config-cfg-font_names
http://ckeditor.com/addon/font
http://docs.ckeditor.com/#!/api/CKEDITOR.config-cfg-font_names