Time saving techniques with Gedit Snippets
Gedit has a plugin called 'Snippets' that is a real time saver. Here's an explanation from the gnome guru's page:
For editing gcode, snippets can be used for placing a bunch of frequently used text on the page. For instance, 'START' could define header and safety lines in a new program.
Then hit the Tab key
Then tab through the variables and fill them in.