End-of-line hyphens have been retained or removed based on the predominant usage elsewhere in the text.
"Peccavi"
E. W. Hornung
Not too many words may be divided between lines; otherwise the line endings will bristle with hyphens.
"The Booklover and His Books"
Harry Lyman Koopman
"my turn again," Page 226: hyphens added to first Jack-o'-lantern on page to conform to rest of text.
"Bunny Brown and His Sister Sue Playing Circus"
Laura Lee Hope