Graphical editors, such as gedit, can be configured using the preferences menu, and are pretty straightforward.
Enabling tab spacing to be set to 4 spaces and expanding tabs to spaces can be done using the Preferences | Editor tab, as shown in the following screenshot:
You can download the example code files from your account at http://www.packtpub.com for all the Packt Publishing books you have purchased. If you purchased this book elsewhere, you can visit http://www.packtpub.com/support and register to have the files e-mailed directly to you.
Another very useful feature is found on the Preferences | Plugins tab. Here, we ...
