2016 Update

Task/Unicode-variable-names/00DESCRIPTION

@@ -7,3 +7,4 @@
 
 ;Cf.:
 * [[Case-sensitivity of identifiers]]
+<br><br>

Task/Unicode-variable-names/Elena/unicode-variable-names.elena

@@ -0,0 +1,9 @@
+#import system.
+
+#symbol program =
+[
+    #var Δ := 1.
+    Δ := Δ + 1.
+
+    console writeLine:Δ.
+].

Task/Unicode-variable-names/Forth/unicode-variable-names.fth

@@ -1,3 +1,4 @@
 variable ∆
-5 ∆ !
+1 ∆ !
+1 ∆ +!
 ∆ @ .

Task/Unicode-variable-names/PowerShell/unicode-variable-names.psh

@@ -0,0 +1,3 @@
+$Δ = 2
+$π = 3.14
+$π*$Δ

Task/Unicode-variable-names/REXX/unicode-variable-names.rexx

@@ -0,0 +1,5 @@
+/*REXX program (using the R4 REXX interpreter) which uses a Greek delta char).*/
+'chcp'  1253  "> NUL"                  /*ensure we're using correct code page.*/
+Δ=1                                    /*define delta (variable name  Δ)  to 1*/
+Δ=Δ+1                                  /*bump the delta REXX variable by unity*/
+say 'Δ=' Δ                             /*stick a fork in it,  we're all done. */

Task/Unicode-variable-names/Ruby/unicode-variable-names.rb

@@ -0,0 +1,3 @@
+Δ = 1
+Δ += 1
+puts Δ  # => 2