>>I've reported this behavior a few weeks ago, and you found that the problem is that one of the posters included code that overflows to the right.
>>
>>What I've seen about fixing this on another webs is adding the scrollba just into the code window, so the text can flow naturally and do not cause this awful behavior. In example, Stakc Overflow implement this behavior:
>>
>>http://stackoverflow.com/questions/3102693/error-in-wcf-client-consuming-axis-2-web-service-with-ws-security-usernametoken-p
>>
>>it's really some stressing having to scroll to the right to read at the end of the line, then scrolling to the left to continue reading the start of the next line and so forth.
>
>That's done by wrapping the PRE block in an Iframe, with the frame's width limited to the width of the outer container minus a few pixels for the border. I've seen it done in many places, wherever code may be posted inside html.

Michel,
+1 from me for the SO pre-behaviour in the usability area, although it is not needed in UT often as most break even source lines - different story with pasted code.