src/vs/editor/common/config/editorOptions.ts/EditorLineHeight/constructor
class EditorLineHeight:	constructor() {
		super(
			EditorOption.lineHeight, 'lineHeight',
			EDITOR_FONT_DEFAULTS.lineHeight,
			x => EditorFloatOption.clamp(x, 0, 150),
			{ markdownDescription: nls.localize('lineHeight', "Controls the line height. \n - Use 0 to automatically compute the line height from the font size.\n - Values between 0 and 8 will be used as a multiplier with the font size.\n - Values greater than or equal to 8 will be used as effective values.") }
		);
	}