The most powerful feature of LuaEdit is being able to set breakpoints. To set a breakpoint, click in the gutter next to the line numbers. A red dot will appear; this is a breakpoint that is now set as shown in the next screenshot. You can click the green arrow or press F5 to start debugging. The program will run until a breakpoint is hit. You can quit the debugger any time by clicking the blue square, or hitting Shift + F5:
As you can see in the previous screenshot, once a breakpoint is hit, the line you are on will turn yellow. You can use the buttons next to run & stop to step over the current line, step into the function that ...
