1.7 Character strings

A character string (or string for short) is a sequence of zero or more characters (byte sized), 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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