"The BFGS and L-BFGS methods tend to converge slowly on near-ill-conditioned problems.",
"PHT-splines are only <i>C<sup>1</sup></i>-continuous.",
"You can contribute your favorite OpenFlipper tips and geometry fun facts to the collection by editing <a href=\"https://graphics.rwth-aachen.de:9000/born/Plugin-DidYouKnow/blob/master/Library/tips.json\">this file</a>.",
"While in Selection mode, hold down the Windows key to temporarily switch to Move mode.",
