Found the following hamletworks.org entries referring to line 80
View Commentary Note for 75
75
Hora. As thou art to thy selfe.
1.1.59
View Commentary Note for 80
80
Tis strange.
1.1.64
View Immaterial Textual Note for 80
80
Tis strange.
1.1.64
View Material Textual Note for 80
80
Tis strange.
1.1.64