Found the following hamletworks.org entries referring to line 737

View Material Textual Note for 734
734O Hamlet, what <a> falling off was there 

View Commentary Note for 737
737 I made to her in marriage, and to decline1.5.50

View Immaterial Textual Note for 737
737 I made to her in marriage, and to decline1.5.50

View Material Textual Note for 737
737 I made to her in marriage, and to decline1.5.50