In Moodle 1.6 the quiz-independent question code has now been moved to the new moodle/question/ directory and the question library functions are in moodle/lib/questionlib.php. Clearly this will have an impact on other projects that have been using quiz module code. There will be more such changes in the coming days. I will then summarize the changes to make it easier to adapt other code accordingly.
General developer forum
Quiz questions available to other modules
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