Code Editor Reference Reference information for Code Editor. Code Editor preferences Set preferences for the Code Editor. For example, you can set the default diff mode or the color and font preferences. Customize Diff tool preferences Set preferences for the Diff tool. For example, you can set the tool to ignore case or white space, or specify the color used. Views Information about Code Editor views. Keyboard Shortcuts Information about Code Editor keymaps. vi Commands List A listing of vi commands currently implemented in Code Editor.