Initial data commit

Task/Literals-String/Oz/literals-string.oz

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+declare
+Digit0 = &0       %% the character '0'
+NewLine = &\n     %% a character with special representation
+NewLine = &\012   %% characters can also be specified with octals
+
+%% Strings are lists of characters, but can also be written in double quotes:
+[&H &e &l &l &o] = "Hello"
+
+AnAtom = 'Hello'         %% single quotes are used for atoms
+Atom2 = hello = 'hello'  %% for atoms starting with a lower case letter, they are optional
+
+%% To build strings out of other values, so-called virtual strings are used:
+MyName = "Peter"
+MyAge = 8
+{System.showInfo MyName # " is " # MyAge # " years old."}