def clean_semver(cls, version_spec):
        return re.sub(r"([<>=~])\s+?v?", "\\1", version_spec, re.IGNORECASE)
def draw(self, context):
        self.layout.operator("wm.appconfig_default", text="Blender (default)")

        # now draw the presets
        Menu.draw_preset(self, context)