What We Haven’t Included
GNU Emacs is a large and powerful editor; in this book, we’ve been able to give you only a sample of what it does. Many features have been left out, and more features are added all the time. Some topics, however, are missing:
Compatibility modes: GNU Emacs provides compatibility modes for the UNIX vi editor and the VAX/VMS EDT editor. We’ve left a discussion of these modes out. In our experience, compatibility modes tend to be poor emulations of the real thing. If you really want to use vi or EDT, do so. You’re better off getting to know Emacs on its own terms, rather than pretending it is something else.
Many programming language modes: In this book, we discuss the editing modes for C++, LISP, and FORTRAN. There are many modes for other languages; some work better than others, and new modes are added frequently. There’s no way we could discuss everything.
Advanced LISP programming: GNU Emacs incorporates a complete LISP interpreter. We give a very basic and brief introduction to Emacs LISP; Chapter 13 should be enough to get you started, but it really only scratches the surface. The FSF publishes a complete Emacs LISP Reference Manual, and O’Reilly & Associates has a forthcoming title on the subject, written by Bob Glickstein, one of the technical reviewers for this book.
Porting, debugging, and installation: This book doesn’t describe the problems that can arise when porting GNU Emacs to other systems. We believe a book on this topic is needed, but it’s ...
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