Download “TeX for the Impatient”, written by Paul Abrahams, Kathryn Hargreaves, and Karl Berry, in pdf format. …
The Craft of Text Editing: Emacs for the Modern World
“The Craft of Text Editing: Emacs for the Modern World” by Craig A. Finseth. You can download this free ebook in multiple formats. This book covers all aspects of creating a character-based text editor. …