Bug 187213 Provid a writer to serialize design in document without any white space.
Add a new writer for serialize design in document without any withe space.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/XMLWriter.java
out.print( "&lt;" );  
			else if ( c == '"' )
				out.print( "&quot;" ); 
			else if ( c < 0x20 )
			{
				out.print( "&#x" );  
				out.print( Integer.toHexString( c ) );
				out.print( ';' );
			}
			else if ( c == '\n' )
			{
				printLine( );
			}
			else
				out.print( c );
		}
		out.print( "\"" );  
	}
	/**
	 * Write a attribute with an integer value.
	 * 
	 * @param attrName
	 *            the name of the attribute
	 * @param value
	 *            the integer value
	 */
	public void attribute( String attrName, int value )
	{
		assert elementActive;
		checkAttribute( );