(m4.info)Definitions


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5 How to define new macros
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Macros can be defined, redefined and deleted in several different ways.
Also, it is possible to redefine a macro without losing a previous
value, and bring back the original value at a later time.

* Define
Defining a new macro
* Arguments
Arguments to macros
* Pseudo Arguments
Special arguments to macros
* Undefine
Deleting a macro
* Defn
Renaming macros
* Pushdef
Temporarily redefining macros
* Indir
Indirect call of macros
* Builtin
Indirect call of builtins

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