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Programming in Emacs Lisp

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1. List Processing

To the untutored eye, Lisp is a strange programming language. In Lisp code there are parentheses everywhere. Some people even claim that the name stands for `Lots of Isolated Silly Parentheses'. But the claim is unwarranted. Lisp stands for LISt Processing, and the programming language handles lists (and lists of lists) by putting them between parentheses. The parentheses mark the boundaries of the list. Sometimes a list is preceded by a single apostrophe or quotation mark, `''. Lists are the basis of Lisp.

1.1 Lisp Lists    What are lists?

1.2 Run a Program    Any list in Lisp is a program ready to run.

1.3 Generate an Error Message    Generating an error message.

1.4 Symbol Names and Function Definitions    Names of symbols and function definitions.

1.5 The Lisp Interpreter    What the Lisp interpreter does.

1.6 Evaluation    Running a program.

1.7 Variables    Returning a value from a variable.

1.8 Arguments    Passing information to a function.

1.9 Setting the Value of a Variable    Setting the value of a variable.

1.10 Summary    The major points.

1.11 Exercises

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Copyright © 2003 by The Free Software Foundation	Updated Jun 2003

1.1 Lisp Lists		What are lists?
1.2 Run a Program		Any list in Lisp is a program ready to run.
1.3 Generate an Error Message		Generating an error message.
1.4 Symbol Names and Function Definitions		Names of symbols and function definitions.
1.5 The Lisp Interpreter		What the Lisp interpreter does.
1.6 Evaluation		Running a program.
1.7 Variables		Returning a value from a variable.
1.8 Arguments		Passing information to a function.
1.9 Setting the Value of a Variable		Setting the value of a variable.
1.10 Summary		The major points.
1.11 Exercises