Bug 146159 [Regression]Changing font operation doesn't work other than the first time
Description: The first time changing operation can work well. However, Change it again, it won't work. Steps: 1.Insert lable/text to layout or master page 2.Change the font from serif to cursive, it works well 3.Change the font again Result: The action doesn't work Additional infor: build number:200606080632
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
boolean bidiStart = false;
		Stack bracket = new Stack( );
		for ( int i = 0; i < message.length( ); i++ )
		{
			char c = message.charAt( i );
			if ( isNeutral( c ) )
			{
				
				
				if ( c == '\'' || c == '\"' )
				{
					if ( bracket.empty( ) )
					{
						bracket.add( new Character( c ) );
					}
					else
					{
						if ( ( (Character) bracket.peek( ) ).charValue( ) == c )
						{
							bracket.pop( );
							bidiStart = false;
						}
						else
						{
							bracket.add( new Character( c ) );
						}
					}
				}
				level[i] = bidiStart && !bracket.empty( ) ? 1 : 0;
			}