Hm. We need a test case. Here is a PRE block with some occasional whitespace. Janitors, please don't change this to CODE tags or it will ruin its usefulness as a test case! (as you seem to have done in perl read a file on Windows is very strange).
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
For those of you not using css/common.css, you can add
pre { white-space: pre-wrap }
to your
On-Site CSS.