Comment

It looks like if the code is to wide to fit in the window, IE creates a horizontal scrollbar and puts it over the last line of the code. Then automatically a vertical scrollbar is created. The best solution I found for this problem came from http://ycouriel.blogspot.com/2010/07/pre-tag-internet-explorer-scrollbar.html.

Insert

<!--[if IE]>


<![endif]-->

before the ending </pre> tag.

Now all the code is visible without scrolling.