[Bug 28578] New: Editing a wiki page strips out carriage returns from all preformatted text on that page

http://bugs.winehq.org/show_bug.cgi?id=28578

Bug #: 28578
           Summary: Editing a wiki page strips out carriage returns from
                    all preformatted text on that page
           Product: WineHQ.org
           Version: unspecified
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: www-unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
    Classification: Unclassified

This most recently happened with the Regression Testing page (bug 28575), but
I've seen it before on other pages: carriage returns are removed from
preformatted text, even if that part is not edited directly, and the
preformatted text turns into an unreadable mess. It used to be possible to
avoid this by staying in GUI mode and not previewing, but that seems to no
longer work.