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Author : ied
Date   : 26/11/1998
Object : Initialisation of the history for K4L
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Author : rln
Date   : 06/01/1999
Object : _ConicArc - CCI60005 correct computing of the form from Qi
         _ToolBSplineCurve - CCI60005 correct dump of B-Spline curve (periodic flag)
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Author : abv
Date   : 18/01/1999
Object : _ToolOffsetCurve - CTS22023 and TEC0278: issue data fail on offset tapered flag 
                            only if type is not constant
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Author : szv, smh
Date   : 16/04/1999
Object : S4163
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