I also use the `IDEA` tag in addition to `TODO` and `FIXME`. My definitions: * IDEA: This is neat and could be helpful, but is probably okay if it never gets d

I also use the `IDEA` tag in addition to `TODO` and `FIXME`. My definitions: * IDEA: This is neat and could be helpful, but is probably okay if it never gets done. * TODO: Not doing this has some measurable ill effect. Maybe maintainability or constraining scale. * FIXME: This is a temporary work-around while finishing a feature. It should never be shipped.