Author: Tim Hunt
MDL-31095 quiz editing: only set quiz->grade to 0 if really necessary.
It is only necessary when there are (non-preview) attempts. However,
after making this change we have to ensure users cannot start attempts
when ->grade > 0 and ->sumgrades = 0.
Display ->grade on the order and paging tab of edit.php, so it is clear
what is going on when you are using that tab.
Finally, improve the error message a student gets if they try to start a
quiz with no questions.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=589f57835ff93e1f06236690b2976ad668b32e7d
http://github.com/moodle/moodle/commit/589f57835ff93e1f06236690b2976ad668b32e7d
+  2.1 en [cannotstartgradesmismatch,mod_quiz]
+  2.1 en [cannotstartnoquestions,mod_quiz]
                        
    
    
    
                            
    
    
                                [AMOS commit] MDL-31095 quiz editing: only set quiz->grade to 0 if really necessary. Committed into Git: 2012-01-11 16:21 UTC
                                de AMOS bot - 
                        
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