Bug 5900: RiverWare share marker X-position back 1 day when editing
Bug Number: 5900
Release notes (y/n): Yes
For Release Nums: 7.0.3

As correctly surmised by Greg, this bug was due to our crazy "24:00" time 
designation for midnight.  We were calling our Date_Time get_year(), 
get_month(), get_mday(), and get_hour() methods with the default value of 
'true' for the 'want24' parameter.  Calling those methods with 'false' 
(where midnight is 00:00 of the subsequent day) fixes the problem.

This problem apparently existed -- in some form -- since August 2002 -- 
basically the original Qt3 implementation of this dialog.  I was able to 
reproduce it -- (perhaps only partially ... the decrementing seemed to 
happen only once) -- in RiverWare 6.9 and 6.9.7.

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