Well, I just spent several hours debugging a nasty problem.
It turns out that if you name your textarea answer1 (or 2, etc) and then put multiple lines in it, you get a permission error on the post form. At least it did on my server.
For fun, try changing the name of the textarea in the php sample "replace.php" from editor1 to answer1 and then put two lines or more of text (with CRs) in the CKeditor box. One line seems to work fine, even.
That was a tough one to find...
It turns out that if you name your textarea answer1 (or 2, etc) and then put multiple lines in it, you get a permission error on the post form. At least it did on my server.
For fun, try changing the name of the textarea in the php sample "replace.php" from editor1 to answer1 and then put two lines or more of text (with CRs) in the CKeditor box. One line seems to work fine, even.
That was a tough one to find...