[Koha-bugs] [Bug 2860] New: Can't save zero value to systempreference

[bugzilla-daemon at pippin.metavore.com]

http://bugs.koha.org/cgi-bin/bugzilla/show_bug.cgi?id=2860

           Summary: Can't save zero value to systempreference
           Product: Koha
           Version: HEAD
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: System Administration
        AssignedTo: paul.poulain at free.fr
        ReportedBy: joe.atzberger at liblime.com
         QAContact: koha-bugs at lists.koha.org


Take any systempreference variable of the Integer type and try to save a value
of zero.  Instead it gets set to NULL.  This is incorrect and zero should be
distinct from NULL for *at least* the Integer type variables, and probably for
all of them.  

This is even more problematic because the descriptions for TagsShowOnDetail and
TagsShowOnList instruct the user to set them to 0 to disable the feature, but
the user never can accomplish that (though NULL does the same thing, they don't
know that).




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