Time for an 2014 update…

Task/Special-variables/Deja-Vu/special-variables.djv

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+!print "hey" #is really short for
+eva!print "hey"

Task/Special-variables/Erlang/special-variables.erl

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+-module( special_variables ).
+
+-export( [task/0] ).
+
+task() -> ok.

Task/Special-variables/PL-I/special-variables.pli

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+Special variables in PL/I are termed "Pseudo-variables".
+They are used only on the LHS of an assignment statement.
+
+They include:
+   REAL to assign the real part of a COMPLEX variable;
+   IMAG to assign the imaginary part of a COMPLEX variable;
+   SUBSTR is used to assign part of a string (used on the LHS of an assignment);
+   STRING when used on the left-hand of an assignment;
+   UNSPEC used to assign a bit pattern to a variable;
+   ENTRYADDR is used to assign an address to an ENTRY variable that is
+             to be invoked;
+   ONCHAR resets the current value of the CHAR built-in function (when
+          a data conversion error occurs, and it is desired to re-attempt
+          the conversion);
+   ONSOURCE assigns a new value to the ONSOURCE built-in function
+            (may be used when a data conversion error occurs,
+             and a re-try of the conversion is to be attempted with modified data);
+   ONGSOURCE assigns a new value to the ONGSOURCE built-in function
+            (may be used when a data conversion error occurs,
+             and may be used when a re-try of the conversion is to be
+             attempted with modified data).