Bug 155778 Unit picas should be larger than points in pdf
Description: Unit picas is twelve times larger than points Steps to reproduce: 1. Set label item's padding top to 100 picas and preview in pdf 2. Set label item's padding top to 100 points and preview in pdf Expected result: according to css standdard,picas is larger than points Actaul result: Points unit is larger than picas
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/css/engine/value/AbstractLengthManager.java
throws DOMException
	{
		switch ( lu.getLexicalUnitType( ) )
		{
			case LexicalUnit.SAC_EM :
				return new FloatValue( CSSPrimitiveValue.CSS_EMS, lu
						.getFloatValue( ) );
			case LexicalUnit.SAC_EX :
				return new FloatValue( CSSPrimitiveValue.CSS_EXS, lu
						.getFloatValue( ) );
			case LexicalUnit.SAC_PIXEL :
				return new FloatValue( CSSPrimitiveValue.CSS_PX, lu
						.getFloatValue( ) );
			case LexicalUnit.SAC_CENTIMETER :
				return new FloatValue( CSSPrimitiveValue.CSS_CM, lu
						.getFloatValue( ) );
			case LexicalUnit.SAC_MILLIMETER :
				return new FloatValue( CSSPrimitiveValue.CSS_MM, lu
						.getFloatValue( ) );
			case LexicalUnit.SAC_INCH :
				return new FloatValue( CSSPrimitiveValue.CSS_IN, lu
						.getFloatValue( ) );
			case LexicalUnit.SAC_POINT :
				return new FloatValue( CSSPrimitiveValue.CSS_PT, lu
						.getFloatValue( ) );
			case LexicalUnit.SAC_PICA :
				return new FloatValue( CSSPrimitiveValue.CSS_PC, lu
						.getFloatValue( ) );
			case LexicalUnit.SAC_INTEGER :
				return new FloatValue( CSSPrimitiveValue.CSS_NUMBER, lu