http://bugs.winehq.org/show_bug.cgi?id=27767
--- Comment #13 from Erich Hoover ehoover@mines.edu 2012-06-14 16:24:08 CDT --- Created attachment 40547 --> http://bugs.winehq.org/attachment.cgi?id=40547 CHM file appearance on XP
Just to double check this behavior, now nominated for the "Most Stupid Win32 API Behavior award," I've attached a screenshot from XP of the test file. Verdict: yes, it really does behave this strangely.