How to change the degree of BezierFunction

This post is scrambled after publishing it, … another issue in the Editor discussion Improving the Wolfram Community Editor … tried to input it with Google Chrome and with Internet Explorer 11. Still the Community Editor has quirks, please find below the beginning of the post from the edit view

@Editor Lovers: What is the Problem with that post if the preview works?

P.S.: The previous post appears with correct formatting after the author signed off; as long as the author is signed in, the previous post is displayed to him scrambled. So, sorry for this extra post, did not expect that.