The "Markup" section does not appear for me on this screen, so I cannot select "using HTML" as an option here.
So I checked both "Edit Profile" and "Edit Preferences" under My Stuff, and could not see an option to select HTML.
Under "Post Options" I have two listed: "HTML is disabled" and "UBBCode is enabled".
Also, I don't have the option to "Lock this topic", but I assume that is given to only those with special powers!

Otherwise, what I see is the same as the screen shot above.
I checked this on my laptop (Windows7/IE) and iPad w/ Safari - the same on both.
My first try to post this message was using Word, copy/paste to Notepad, then copy/paste to OCF - didn't work.
I retyped in Notepad, then copy/paste to OCF - did work!