Found the following hamletworks.org entries referring to line 3845

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3844 But I doe prophecie th'ellection lights5.2.355
3845On Fortinbrasse, he has my dying voyce,

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3844 But I doe prophecie th'ellection lights5.2.355
3845 On Fortinbrasse, he has my dying voyce, 3845 

View Material Textual Note for 3844, etc.
3844 But I doe prophecie th'ellection lights5.2.355
3845 On Fortinbrasse, he has my dying voyce, 3845