Just another update

Task/String-concatenation/00DESCRIPTION

@@ -1,4 +1,5 @@
-{{basic data operation}}
-Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal.
+{{basic data operation}}[[Category:Simple]]
+Create a string variable equal to any text value.
+Create another string variable whose value is the original variable concatenated with another string literal.
 
 To illustrate the operation, show the content of the variables.

Task/String-concatenation/Ada/string-concatenation.ada

@@ -3,7 +3,7 @@ with Ada.Text_IO;  use Ada.Text_IO;
 procedure String_Concatenation is
    S : String := "Hello";
 begin
-   Put_Line (S & " literal");
+   Put_Line (S);
    declare
       S1 : String := S & " literal";
    begin

Task/String-concatenation/Dylan.NET/string-concatenation.dylan.net

@@ -1,4 +1,4 @@
-//to be compiled using dylan.NET v. 11.3.1.3 or later.
+//to be compiled using dylan.NET v. 11.5.1.2 or later.
 #refstdasm mscorlib.dll
 
 import System
@@ -6,7 +6,7 @@ import System
 assembly concatex exe
 ver 1.3.0.0
 
-class public auto ansi Module1
+class public Program
 
    method public static void main()
         var s as string = "hello"

Task/String-concatenation/Elixir/string-concatenation.elixir

@@ -0,0 +1,5 @@
+s = "hello"
+t = s <> " literal"
+
+IO.puts s
+IO.puts t

Task/String-concatenation/Lua/string-concatenation.lua

@@ -0,0 +1,4 @@
+a = "hello "
+print(a .. "world")
+c = a .. "world"
+print(c)

Task/String-concatenation/NewLISP/string-concatenation.newlisp

@@ -0,0 +1,4 @@
+(let (str1 "foo")
+     (println str1)
+     (let (str2 (string str1 "bar"))
+	  (println str2)))

Task/String-concatenation/Rust/string-concatenation.rust

@@ -1,20 +1,9 @@
-/*
- * String concatenation in Rust.
- * Copyright by Shlomi Fish, 2013.
- * Released under the MIT/X11 License
- * ( http://en.wikipedia.org/wiki/MIT_License ).
- * */
-
-// rust 0.8
+// rust 0.13
 
 fn main() {
-    let s = ~"hello";
-    println!("s={}", s + " world");
+    let s = "hello".to_string();
+    println!("{}", s);
 
     let s1 = s + " world";
-    println!("s1={}", s1);
-
-    let mut mutable_s = ~"hello";
-    mutable_s.push_str(" world");
-    println!("mutable_s={}", mutable_s);
+    println!("{}", s1);
 }

Task/String-concatenation/Scilab/string-concatenation.scilab

@@ -0,0 +1,4 @@
+s1="Hello"
+s1+" world!"
+s2=s1+" world"
+s2