On 20/08/2009, at 7:01 AM, [log in to unmask] wrote: > \IfValue(TF) is needed by xfrac, so better stay around For what it's worth, I'd be happy to drop this and use \IfNoValue (reversed) instead. \IfValue sounds to me like the value will be equal to something in particular, rather than anything that's not "\NoValue". Will