https://moodle.org/mod/forum/discuss.php?d=220157
https://github.com/tinymce/tinymce_spellchecker_php/commit/22910187bfb9edae90c26e10100d8145b505b974
http://www.tinymce.com/forum/viewtopic.php?id=30036
http://www.tinymce.com/develop/changelog/?type=phpspell
http://openwall.com/lists/oss-security/2013/01/21/1
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-37283
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