“Just enough” is an undeniable—if informal—legal precept.  The concept finds its way into canon from adequacy of pleading to application of equity.  See, e.g., K-Tech Telecommunications, Inc. v. Time Warner Cable, Inc., 714 F.3d 1277, 1284 (Fed. Cir. 2013) (A complaint “must give just enough factual detail to provide ‘fair notice of what