Merge branch 'dev_yy' into dev

yanweiyuan3

2023-09-22 42f46304bc28d9fb2bee770668b70204d877db93

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Quintiq file version 2.0
#parent: #root
Function CalcIsUsed
{
  TextBody:
  [*
    // Adhi Apr-20-2016 (created)
    value := this.IsUsedSystem();
    
    this.IsUsed( value );
  *]
}