(m4.info)Input Control

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Enter node , (file) or (file)node

8 Input control
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This chapter describes various builtin macros for controlling the input
to 'm4'.

Dnl

Deleting whitespace in input

Changequote

Changing the quote characters

Changecom

Changing the comment delimiters

Changeword

Changing the lexical structure of words

M4wrap

Saving text until end of input