Time for an 2014 update…

Task/Empty-program/C++/empty-program.cpp

@@ -1,11 +1 @@
-int main ( int /*argc*/, char * * /*argv*/ )
-{
- // Unused arguments should not be named
- // There are variations:
- // 1: main ''may'' explicitly return a value
- //    (other non-void-returning C++ functions ''must'' do so,
- //    but there's a special exception for main that falling off it
- //    without an explicit return is equivalent to a "return 0;" at
- //    the end of the main function)
- // 2: The arguments may be omitted entirely
-}
+int main(){}

Task/Empty-program/REXX/empty-program-1.rexx

@@ -1 +1 @@
-/* empty */
+/*comment*/

Task/Empty-program/REXX/empty-program-3.rexx

@@ -1 +1 @@
-/* REXX */
+/*REXX*/

Task/Empty-program/REXX/empty-program-4.rexx

@@ -0,0 +1 @@
+/*this REXX program calculates if a date is a workday for the XYZ Company.*/

Task/Empty-program/Rust/empty-program.rust

@@ -0,0 +1 @@
+fn main(){}