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8.3 Programming in M4sugar

M4 by itself provides only a small, but sufficient, set of all-purpose macros. M4sugar introduces additional generic macros. Its name was coined by Lars J. Aas: "Readability And Greater Understanding Stands 4 M4sugar".

8.3.1 Redefined M4 Macros  M4 builtins changed in M4sugar
8.3.2 Evaluation Macros  More quotation and evaluation control
8.3.3 Forbidden Patterns  Catching unexpanded macros


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