Author: Dan Poltawski
MDL-42240 assignfeedback_editpdf: improve ghostscript debugging
http://git.moodle.org/gw?p=moodle.git;a=commit;h=9092378ddbd1aa07aacd17fe52589a04a079dfe2
http://github.com/moodle/moodle/commit/9092378ddbd1aa07aacd17fe52589a04a079dfe2
+ 2.6 en [command,assignfeedback_editpdf]
+ 2.6 en [errorgenerateimage,assignfeedback_editpdf]
+ 2.6 en [output,assignfeedback_editpdf]
+ 2.6 en [result,assignfeedback_editpdf]