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