upgrade

plugin/exercise_signature/lang/english.php

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+<?php
+
+/* License: see /license.txt */
+
+// Needed in order to show the plugin title
+$strings['plugin_title'] = "Exercise signature";
+$strings['plugin_comment'] = "Add the possibility for teachers to ask for a signature at the end of any exam attempt. The signature request is made through a modal window with a whiteboard-style area that works in touch mode, and teachers can later check (manually) the signature attached to the attempt.";
+$strings['tool_enable'] = 'Tool enabled';
+$strings['ProvideASignatureFirst'] = 'Please provide a signature first';
+$strings['Sign'] = 'Sign';
+$strings['SignatureActivated'] = 'Signature activated';
+$strings['SignatureMandatory'] = 'Signature mandatory';