MDL-46148 qtype_calculated: low-level defence against bad formulas
authorAnkit Agarwal <ankit@moodle.com>
Thu, 10 Jul 2014 09:44:59 +0000 (17:44 +0800)
committerDamyon Wiese <damyon@moodle.com>
Thu, 10 Jul 2014 09:55:11 +0000 (17:55 +0800)
This catches things like:
 * Malicious equations coming from backup files.
 * Malicious equations in old questions in the database.


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