Found the following hamletworks.org entries referring to line 346-7

View Immaterial Textual Note for 346-7
346-7 Ham. I am glad to see you well; | Horatio, or I do forget my selfe. 

View Material Textual Note for 346-7
346-7 Ham. I am glad to see you well; | Horatio, or I do forget my selfe. 

View Commentary Note for 346
346-7 Ham. I am glad to see you well; | Horatio, or I do forget my selfe. 

View Commentary Note for 347
346-7 Ham. I am glad to see you well; | Horatio, or I do forget my selfe.

View Commentary Note for 355
355 Ham. I am very glad to see you, (good euen sir)1.2.167