Bug 121687 Exception throws when export data in table which inside a grid cell.
Description: Exception throws when export data in table which inside a grid cell. Steps to reproduce: 1. insert a grid. 2. insert one table to one grid cell. 3. insert another table to the other grid cell. 4. export data in two tables. Expected result: Data are exported. Actual result: Exception in: ReportEngineService.getMetaData( )
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
addReportDefaultPropertyValue( Style.TEXT_INDENT_PROP, handle );
		addReportDefaultPropertyValue( Style.LETTER_SPACING_PROP, handle );
		addReportDefaultPropertyValue( Style.LINE_HEIGHT_PROP, handle );
		addReportDefaultPropertyValue( Style.ORPHANS_PROP, handle );
		addReportDefaultPropertyValue( Style.TEXT_TRANSFORM_PROP, handle );
		addReportDefaultPropertyValue( Style.VERTICAL_ALIGN_PROP, handle );
		addReportDefaultPropertyValue( Style.WHITE_SPACE_PROP, handle );
		addReportDefaultPropertyValue( Style.WIDOWS_PROP, handle );
		addReportDefaultPropertyValue( Style.WORD_SPACING_PROP, handle );
		
		addReportDefaultPropertyValue( Style.DISPLAY_PROP, handle );
		addReportDefaultPropertyValue( Style.MASTER_PAGE_PROP, handle );
		addReportDefaultPropertyValue( Style.PAGE_BREAK_AFTER_PROP, handle );
		addReportDefaultPropertyValue( Style.PAGE_BREAK_BEFORE_PROP, handle );
		addReportDefaultPropertyValue( Style.PAGE_BREAK_INSIDE_PROP, handle );
		
		addReportDefaultPropertyValue( Style.FONT_FAMILY_PROP, handle );
		addReportDefaultPropertyValue( Style.COLOR_PROP, handle, true );
		addReportDefaultPropertyValue( Style.FONT_SIZE_PROP, handle );
		addReportDefaultPropertyValue( Style.FONT_STYLE_PROP, handle );
		addReportDefaultPropertyValue( Style.FONT_WEIGHT_PROP, handle );
		addReportDefaultPropertyValue( Style.FONT_VARIANT_PROP, handle );
		
		addReportDefaultPropertyValue( Style.TEXT_LINE_THROUGH_PROP, handle );
		addReportDefaultPropertyValue( Style.TEXT_OVERLINE_PROP, handle );
		addReportDefaultPropertyValue( Style.TEXT_UNDERLINE_PROP, handle );
		
		addReportDefaultPropertyValue( Style.BORDER_BOTTOM_COLOR_PROP, handle,
				true );
		addReportDefaultPropertyValue( Style.BORDER_BOTTOM_STYLE_PROP, handle );