Perl Best Practices has a format problem.
A number of pages have odd layouts in their code examples (multiple scroll bars etc) However the Start of Chapter 12 is not correctly wrapping. See following page
Problem exists with Firefox 1 and 2 on linux and windows2003
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Thanks for contacting O'Reilly and reporting this issue. I reviewed
the rendered electronic content for Chapter 12: Regular Expressions,
and there doesn't seem to be a wrapping issue. The upload or
conversion into Safari Books Online may have been corrupted or
affected and I submitted an internal ticket to review and possibly
reload the content files to see if this will correct the layout and
scroll issues you reported.
Perl Best Practices
By Damian Conway
Mace Bergmann -- firstname.lastname@example.org
O'Reilly Media Inc.-- http://www.oreilly.com