Bug 202028 Text transform style does not take effect in DOC/XLS.
Description: When previewed in DOC/XLS, text transform style does not take effect. steps to reproduce: 1. Insert a label and input text as "aaa". 2. New a style and set text transform as Upper Case. 3. Apply the style to the label. 4. Preview in DOC/XLS. Expected result: The style takes effect and the label should be displayed as "AAA". Actual result: In DOC/XLS, the label still displayed as "aaa", which is not correct.
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/ExcelWriter.java
if ( replacement != null )
				{
					if ( result == null )
					{
						result = new StringBuffer( s );
					}
					result.replace( i + delta, i + delta + 1, replacement );
					delta += ( replacement.length( ) - 1 );
				}
			}
			if ( result == null )
			{
				return s;
			}
			return result.toString( );
		}
	}
	protected static Logger logger = Logger.getLogger( ExcelWriter.class
			.getName( ) );
	public ExcelWriter( OutputStream out )
	{
		this( out, "UTF-8" );
	}
	public ExcelWriter( OutputStream out, String encoding )
	{
		writer.open( out, encoding );
	}
	
	public void writeText( Data d )
	{