475 Font *fstack[Maxfsp];  variable
728 	if(fsp >= 0 && fstack[fsp])  in changefont()
729 		strcpy(token, fstack[fsp]->end);  in changefont()
732 	fstack[++fsp] = f;  in changefont()
741 		if(fstack[fsp])  in changebackfont()
742 			strcpy(token, fstack[fsp]->end);  in changebackfont()
745 	if(fsp >= 0 && fstack[fsp])  in changebackfont()
746 		strcat(token, fstack[fsp]->start);  in changebackfont()
1355 	if(fsp >= 0 && fstack[fsp])  in doconvert()
1356 		Bprint(&bout, "%s", fstack[fsp]->end);  in doconvert()
1691 	if(fsp >= 0 && fstack[fsp])  in pushfont()
1692 		Bprint(&bout, "%s", fstack[fsp]->end);  in pushfont()
1695 	fstack[++fsp] = f;  in pushfont()
1702 		if(fstack[fsp])  in popfont()
1703 			Bprint(&bout, "%s", fstack[fsp]->end);  in popfont()
1733 	if(fsp >= 0 && fstack[fsp])  in closefont()
1734 		Bprint(&bout, "%s", fstack[fsp]->end);  in closefont()