Bug 135265 Paste to a wrong column
Steps to reproduce: 1.Open the attached file 2.Choose the column[2] which contains a label , copy and paste to column[3] Expected result: It will be pasted to column[3] Actual result: It is pasted to column[4] The related bug is #103448
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/ReferencableStructure.java
target.addClientStructure( this );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.core.Structure#validate(org.eclipse.birt.report.model.core.Module,
	 *      org.eclipse.birt.report.model.core.DesignElement)
	 */
	public List validate( Module module, DesignElement element )
	{
		List errors = new ArrayList( );
		
		StructRefValue ref = (StructRefValue) getLocalProperty( module,
				LIB_REFERENCE_MEMBER );
		if ( ref != null && !ref.isResolved( ) )
		{
			errors.add( new SemanticError( element, new String[]{
					getDefn( ).getName( ), getReferencableProperty( ),
					libReference.getQualifiedReference( )},
					SemanticError.DESIGN_EXCEPTION_INVALID_LIBRARY_REFERENCE ) );
			return errors;
		}
		return errors;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#clone()
	 */