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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
. See section Changing the quote characters, for more information.