But there are cases - like when too much stuff is cached - where you want to work in unminified mode. Fret not, it's here.
- Open the dialog with shift-click so you can modify the url
- then after the hash (#) add debug=true
- refresh the page
Update 2017-09-26 for 2sxc 9.6
Note that now adding debug=true to the url will also add a lot of debugging information to your source file - read the blog post about 2sxc 9.6.