TParsedCubicCurveShortcutCommand
TParsedCubicCurveShortcutCommand:
TParsedAbsoluteCubicCurveShortcutCommand
|TParsedRelativeCubicCurveShortcutCommand
TParsedCubicCurveShortcutCommand:
TParsedAbsoluteCubicCurveShortcutCommand
|TParsedRelativeCubicCurveShortcutCommand