Bug 132786 Value2 should be cleaned after convert operator from between to equal in highlight rule.
Description: Value2 should be cleaned after convert operator from between to equal in highlight rule. Steps to reproduce: 1. Insert a data. 2. Set highlight rule in Property Editor. 2 between 1 and 3, color blue. 3. Save the report 4. Modify highlight rule, change to 1 equal 1, color blue. 5. Save the report, see generated xml source. Expected result: In xml source, value2 should be cleaned in highlight expression. Actual result: In xml source, value1 is 1 and value2 is 3.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/HighlightRuleHandle.java
/**
	 * Sets the value of the number-align member
	 * 
	 * @param value
	 *            the new number-align value.
	 */
	public void setNumberAlign( String value )
	{
		setPropertySilently( HighlightRule.NUMBER_ALIGN_MEMBER, value );
	}
	/**
	 * Returns a handle to work with the width of the top side of the border.
	 * 
	 * @return a DimensionHandle to deal with the width of the top side of the
	 *         border.
	 */
	public DimensionHandle getBorderTopWidth( )
	{
		return doGetDimensionHandle( HighlightRule.BORDER_TOP_WIDTH_MEMBER );
	}
	/**
	 * Returns a handle to work with the width of the left side of the border.
	 * 
	 * @return a DimensionHandle to deal with the width of the left side of the
	 *         border.
	 */
	public DimensionHandle getBorderLeftWidth( )
	{
		return doGetDimensionHandle( HighlightRule.BORDER_LEFT_WIDTH_MEMBER );
	}