The metaphorical epitaph is about the hunt for a deer*1] by means of wordplays with double meanings of "pricket" and "sore", and verbal tricks of changing word meanings by adding single letters ... sore -> soreL. After the deer was shot, a letter "L" was quickly added to the Sore, and out of the thicket sprang a Sorel, ... the principle how the princess [the Queen as Judith] and the author [as Holofernes] solved his serious problem [e.g. adding an "E" to Shak[e]speare - see →Quiz Nr 100, 101, 102 ]
There can be little doubt that → the metaphorical Epitaph in LLL reveals a hidden autobiographical background of the author . Why Shakespeare expert's never felt the need to try to decipher the epitaph?
*1] Emblems out of Henry Peacham's Minerva Britanna (1612) and George Withers "A collection of Emblems (1634)