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1.7 Character strings

A character string (or string for short) is a sequence of zero or more characters from the ASCII character set, enclosed by single quotes, and on 1 line of the program source. A character set with nothing between the quotes ('') is an empty string.

_________________________________________________________________________________________________________ Character strings
-- character string---|quoted string|---------------------------------- | -control string- | -----------------

-- quoted string-’ --string character--’ ------------------------------ ---------------|

-- --- ------------------------ string character ---Any character except ’ or CR ”

-- control string-|# - unsigned integer--------------------------------- -------------------
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