(m4.info)Quoted strings


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3.2 Quoting input to `m4'
=========================

A quoted string is a sequence of characters surrounded by quote
strings, defaulting to ``' and `'', where the nested begin and end
quotes within the string are balanced.  The value of a string token is
the text, with one level of quotes stripped off.  Thus

     `'
     =>

is the empty string, and double-quoting turns into single-quoting.

     ``quoted''
     =>`quoted'

   The quote characters can be changed at any time, using the builtin
macro `changequote'.  Note: Changequote, for more information.


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