I have got warning messages when previewing and posting of...
"Your post has been changed because invalid HTML was found in the message body. The invalid HTML has been removed. Please review the message and submit the message when you are satisfied."
Why can't you just allow users to post "code" samples.
Here are examples on posting code on another site with forums..
Quick two quote(s) from that last URL
#1 A code block is very useful when you do not wish anything you type to be interpreted (or misinterpreted) within the code block itself. The format of the text is also exactly preserved, all spaces, and everything.
#2 Within a code block, special characters, > ' & and so on, can be used without any interpretation being done on them by the forum software or by the viewers browser.
If it is possible to do that here, how does one do that?