Bug 134671 Legend title is displayed incorrectly.
Legend title is displayed incorrectly. Steps: 1.Import the attached report design file 2.Preview Actual Results: 1.Legend title is "Company", but displayed as "=Company" Expected Results: 1.Legend title is displayed correctly.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
}
	}
	/**
	 * Check the if the given value is NaN.
	 * 
	 * @param value
	 * @return
	 */
	protected static boolean isNaN( Object value )
	{
		return ( !( value instanceof Number ) || Double.isNaN( ( (Number) value ).doubleValue( ) ) );
	}
	/**
	 * Returns if the right-left mode is enabled.
	 * 
	 * @return
	 */
	public boolean isRightToLeft( )
	{
		if ( rtc == null )
		{
			return false;
		}
		return rtc.isRightToLeft( );
	}
	/**
	 * Returns if current palette is from the category series.
	 * 
	 * @return
	 */