private void executionDataTable(final HTMLElement body) throws IOException {
final HTMLElement table = body.table(Styles.COVERAGETABLE);
{
final HTMLElement tr = table.thead().tr();
tr.td().text("Class");
tr.td().text("Id");
}
final HTMLElement tbody = table.tbody();
final ILanguageNames names = context.getLanguageNames();
for (final ExecutionData e : executionData) {
final HTMLElement tr = tbody.tr();