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(elisp)Defining Commands

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Defining Commands
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   A Lisp function becomes a command when its body contains, at top
level, a form that calls the special form `interactive'.  This form
does nothing when actually executed, but its presence serves as a flag
to indicate that interactive calling is permitted.  Its argument
controls the reading of arguments for an interactive call.

Using Interactive

General rules for `interactive'.

Interactive Codes

The standard letter-codes for reading arguments

in various ways.

Interactive Examples

Examples of how to read interactive arguments.