Bug 156969 [regression]Group header repeat doesn't work in Web Viewer.
Description: Group header repeat doesn't work in Web Viewer. Steps to reproduce: 1. New a data source and dataset, drag the dataset to Layout. 2. Add a group. 3. Set page break in the first data item in table detail row. 4. Preview in web viewer&#12290; Expected result: Group header is repeated in each page. Actual result: No group header repeat effect.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/EngineIRReader.java
}
	}
	protected void readTextField( DataInputStream in, TextItemDesign design,
			short fieldType ) throws IOException
	{
		switch ( fieldType )
		{
			case FIELD_TEXT_TYPE :
				String textType = IOUtil.readString( in );
				design.setTextType( textType );
				break;
			case FIELD_TEXT :
				String textKey = IOUtil.readString( in );
				String text = IOUtil.readString( in );
				design.setText( textKey, text );
				break;
			default :
				readReportItemField( in, design, fieldType );
		}
	}
	protected void readMultiline( DataInputStream in, MultiLineItemDesign design )
			throws IOException
	{
		while ( in.available( ) > 0 )
		{
			short fieldType = IOUtil.readShort( in );
			readMultilineField( in, design, fieldType );
		}
	}
	protected void readMultilineField( DataInputStream in,