First commit of partial RosettaCode contents.

Pushing this for testing purposes. Lots of work still needed.

Task/Comments/REXX/comments-2.rexx

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+-- A REXX line comment
+
+say "something" -- another line comment

Task/Comments/REXX/comments.rexx

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+/*REXX program to demonstrate various uses and types of comments. */
+
+/* everything between a "climbstar" and a "starclimb" (exclusive of literals) is
+   a comment.
+                         climbstar =  /*   [slash-asterisk]
+                         starclimb =  */   [asterisk-slash]
+
+            /* this is a nested comment, by gum! */
+            /*so is this*/
+
+Also, REXX comments can span multiple records.
+
+There can be no intervening character between the slash and asterisk  (or
+the asterisk and slash).  These two joined characters cannot be separated
+via a continued line, as in the manner of:
+
+       say 'If I were two─faced,' ,
+           'would I be wearing this one?' ,
+           '      --- Abraham Lincoln'
+
+Here come's the thingy that ends this REXX comment. ───┐
+                                                       │
+                                                       │
+                                                       ↓
+
+                                                       */
+
+    hour = 12       /*high noon                   */
+midnight = 00       /*first hour of the day       */
+   suits = 1234     /*card suits:   ♥  ♦  ♣  ♠    */
+
+hutchHdr = '/*'
+hutchEnd = "*/"
+
+    /* the previous two "hutch" assignments aren't
+       the start  nor  the end of a REXX comment. */
+
+  x=1000000 **   /*¡big power!*/   1000
+
+/*not a real good place for a comment (above),
+  but essentially, a REXX comment can be
+  anywhere whitespace is allowed.            */