m4: Quoted strings
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1 3.2 Quoting input to 'm4'
1 =========================
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1 A quoted string is a sequence of characters surrounded by quote strings,
1 defaulting to '`' and ''', where the nested begin and end quotes within
1 the string are balanced. The value of a string token is the text, with
1 one level of quotes stripped off. Thus
1
1 `'
1 =>
1
1 is the empty string, and double-quoting turns into single-quoting.
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1 ``quoted''
1 =>`quoted'
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1 The quote characters can be changed at any time, using the builtin
1 macro 'changequote'. ⇒Changequote, for more information.
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