IE10 Support added to Collapsed Topics for Moodle 2.2 -> https://moodle.org/plugins/pluginversion.php?id=2248 <- thanks to Ann Morgan for reporting this.
Moodle 2.3 and 2.4 versions should be fine as they use a different means of layout code.
Courses and course formats
Collapsed Topics for Moodle 2.2 IE10 support.
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