[Kst] [Bug 133311] New: Crash if correcting reference to non-existent scalar in an equation

[netterfield at astro.utoronto.ca]

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http://bugs.kde.org/show_bug.cgi?id=133311         
           Summary: Crash if correcting reference to non-existent scalar in
                    an equation
           Product: kst
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kst kde org
        ReportedBy: netterfield astro utoronto ca


Version:           1.3.0_devel (using KDE 3.5.4, Kubuntu Package 4:3.5.4-0ubuntu2~dapper1 )
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.15-26-686

Start kst
Create an equation which refers to a non existent scalar (eg, [BLABLA])

The equation is evaluated, but is nonsense (maybe 0) because it refers to a non-existent scalar.

Edit the equation and change the equation so it refers to something that actually does exist (eg, [C_PI]).

kst: FATAL: Thread -1239136576 tried to unlock KstRWLock 0x818345c (unlocked) without holding the lock

Either the equation should should not allow the bad equation to be created in the first place, or it should allow itself to get fixed without puking....