Configuring patches
From OpenTTD
The Configure Patches window
The configure patches window Contains a number of detailed settings (patches) you can change in the game, divided up into the following sections:
Buttons are green to show the patch is on, red to show it is off. Arrow buttons change the value of the setting like a horizontal scrollbox. Clicking on a patch-line with arrow buttons shown will bring up an edit box, where the desired value can be typed in.
