Draws a grid with optional lines/tics and labels.
Keyboard Command: DrwGrdGen

Procedure:
- Specify the desired interval values in the middle section.
- Choose the button in the upper left to designate the area.
- Specify additional options as desired.
- Choose to generate the grid.
Notes:
- The grid geometry is bound into an anonymous block for ease of erasing, movement, etc. If you wish to edit the contents use the EXPLODE command.