use an array of arrays instead of a hash to ensure order, thanks REE!

app/helpers/markdownify_helper.rb

@@ -112,23 +112,23 @@ module MarkdownifyHelper
   end
 
   def process_emoticons(message)
-    map = {
+    map = [
-      "<3" => "♥",
+      ["<3", "♥"],
-      ":("    => "☹",
+      [":(", "☹"],
-      ":-("   => "☹",
+      [":-(", "☹"],
-      ":)"    => "☺",
+      [":)", "☺"],
-      ":-)"   => "☺",
+      [":-)", "☺"],
-      "<->" => "↔",
+      ["<->", "↔"],
-      "->" => "→",
+      ["->", "→"],
-      "<-" => "←",
+      ["<-", "←"],
-      "..."   => "…",
+      ["...", "…"],
-      "(tm)"  => "™",
+      ["(tm)", "™"],
-      "(r)"   => "®",
+      ["(r)", "®"],
-      "(c)"   => "©"
+      ["(c)", "©"]
-    }
+    ]
 
-    map.each do |search, replace|
+    map.each do |mapping|
-      message.gsub!(search, replace)
+      message.gsub!(mapping[0], mapping[1])
     end
     message
   end