Bug 148747 Design become invalid when I extend a masterpage from Library
The attachment contains a report file and a library file. Reproduce: 1. Deploy the library("lib"), and open the report. 2. Drag Masterpage("page1") from "lib" to report. 3. Reopen the report, it become invalid.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
.getLocalProperty( getModule( ), propName );
		if ( designerState == null )
			return;
		writer.startElement( DesignSchemaConstants.STRUCTURE_TAG );
		writer.attribute( DesignElement.NAME_PROP,
				OdaDataSet.DESIGNER_STATE_PROP );
		property( designerState, OdaDesignerState.VERSION_MEMBER );
		property( designerState, OdaDesignerState.CONTENT_AS_STRING_MEMBER );
		try
		{
			if ( designerState.getContentAsBlob( ) != null )
			{
				byte[] data = base.encode( designerState.getContentAsBlob( ) );
				String value = new String( data, OdaDesignerState.CHARSET );
				if ( value.length( ) < IndentableXMLWriter.MAX_CHARS_PER_LINE )
					writeEntry( DesignSchemaConstants.PROPERTY_TAG,
							OdaDesignerState.CONTENT_AS_BLOB_MEMBER, value,
							false );
				else
					writeLongIndentText( DesignSchemaConstants.PROPERTY_TAG,
							OdaDesignerState.CONTENT_AS_BLOB_MEMBER, value );
			}
		}
		catch ( UnsupportedEncodingException e )
		{
			assert false;
		}
		writer.endElement( );
	}
}