2499:You can specify the font of a section of the text by prefixing it with the control sequence C<&"font,style"> where C<fontname> is a font name such as "Courier New" or "Times New Roman" and C<style> is one of the standard Windows font descriptions: "Regular", "Italic", "Bold" or "Bold Italic":
2502:    $worksheet2->set_header('&C&"Courier New,Bold Italic"Hello');
2760:               Bold              bold            set_bold()