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HTML is good for debugging, but probably is not suitable for your application.
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<?xml version="1.0" encoding="utf-8"?>
      <message name="ipb-blocklist">View existing blocks</message>
      <message name="ipb-blocklist-addr">Existing blocks for $1</message>
      <message name="ipb-edit-dropdown">Edit block reasons</message>
      <message name="ipb-unblock">Unblock a username or IP address</message>
      <message name="ipb-unblock-addr">Unblock $1</message>