56a57,63
> enum SGR {
> 	SGR_BOLD = 1,
> 	SGR_UNDER = 2,
> 	SGR_BLINK = 4,
> 	SGR_NEG = 8,
> };
> 
439a447,451
> 					 *	Also for VT220:
> 					 *	22	Normal intensity
> 					 *	24	Not underlined
> 					 *	25	Not blinking
> 					 *	27	Positive image
442c454,482
< 						standout = operand;
---
> 						switch (operand) {
> 							case 0:
> 								standout = 0;
> 								break;
> 							case 1:
> 								standout |= SGR_BOLD;
> 								break;
> 							case 4:
> 								standout |= SGR_UNDER;
> 								break;
> 							case 5:
> 								standout |= SGR_BLINK;
> 								break;
> 							case 7:
> 								standout |= SGR_NEG;
> 								break;
> 							case 22:
> 								standout &= ~SGR_BOLD;
> 								break;
> 							case 24:
> 								standout &= ~SGR_UNDER;
> 								break;
> 							case 25:
> 								standout &= ~SGR_BLINK;
> 								break;
> 							case 27:
> 								standout &= ~SGR_NEG;
> 								break;
> 						}