Obvious typographical errors have been altered, for example where a word was duplicated or a letter duplicated around a hyphen.
"An Old Sailor's Yarns"
Nathaniel Ames
Examples of this could include a space, a leading hyphen, or maybe a quotation mark.
"Debian GNU/Linux: Guide to Installation and Usage"
John Goerzen and Ossama Othman
It gives a rill sensation of a hyphen.
"Friendship Village"
Zona Gale