Use i18n.js from adblockplus to restrict HTML tag usage

_locales/en_US/messages.json

 {
   "add": {
     "description": "This is the label for the 'Add' buttons.",
     "message": "Add"
   },
   "add_domain_button": {
     "message": "Add domain"
   },
   "add_filter_button": {
     "message": "Add filter"
@@ skipping 39 matching lines @@
   },
   "enabled_for_site": {
     "description": "Popup balloon checkbox label",
     "message": "Enabled for this site"
   },
   "filter_lists": {
     "description": "This is a tab heading.",
     "message": "Filter lists"
   },
   "filter_must_follow_syntax": {
-    "message": "Your filter must follow the <a href='$url$'>Adblock Plus filter syntax</a>.",
-    "placeholders": {
-      "url": {
-        "content": "$1"
-      }
-    }
+    "message": "Your filter must follow the <a>Adblock Plus filter syntax</a>."
   },
   "found_a_bug": {
-    "message": "Found a bug? Want to translate Adblock Plus into your language? Please <a href='$url$'>file a request here</a>.",
-    "placeholders": {
-      "url": {
-        "content": "$1"
-      }
-    }
+    "message": "Found a bug? Want to translate Adblock Plus into your language? Please <a>file a request here</a>."
   },
   "general": {
     "description": "This is a tab heading.",
     "message": "General"
   },
   "last_updated_at": {
     "description": "e.g. Last updated at 3:00pm on Apr 1, 2011",
     "message": "Last updated at $time$ on $date$",
     "placeholders": {
       "date": {
         "content": "$2"
       },
       "time": {
         "content": "$1"
       }
     }
   },
   "last_updated_at_today": {
     "description": "e.g. Last updated at 3:00pm today",
     "message": "Last updated at $time$ today",
     "placeholders": {
       "time": {
         "content": "$1"
       }
     }
   },
-  "new_filters_added": {
-    "message": "New filters added; see <a id='options_url' target='_blank'>Options</a> to manage them."

[Thomas Greiner, 2013/07/16 09:36:04]

Seemed unused. Please correct me if I'm wrong.

-  },
   "options": {
     "message": "Adblock Plus Options"
   },
   "out_of_date_lists": {
     "message": "Out-of-date lists are updated periodically."
   },
   "remove_button": {
     "description": "This is the label for the 'Remove selected' buttons.",
     "message": "Remove selected"
   },
   "show_block_element_menu": {
     "message": "Show 'Block Element' right-click menu item"
   },
   "show_icon": {
     "message": "Show icon in address bar"
   },
   "subscriptionSelection_subscriptionSelector_label": {
     "message": "Please choose a filter subscription from the list:"
   },
   "update_now": {
     "message": "Update now"
   },
   "whitelisted_domains": {
     "description": "This is a tab heading.",
     "message": "Whitelisted domains"
   }
 }