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numbas / Numbas

A completely browser-based e-assessment/e-learning system, with an emphasis on mathematics
http://www.numbas.org.uk
Apache License 2.0
203 stars 118 forks source link

"Several from a list" part fails with a custom marking matrix #479

Closed chrismgraham closed 7 years ago

chrismgraham commented 7 years ago

Adding a custom marking matrix to a "Several from a list" part generates an error: "The custom marking matrix expression is empty." See https://numbas.mathcentre.ac.uk/question/19880/several-from-a-list-with-marking-matrix/

Moreover, and presumably related, on refreshing the editor question the "custom marking expression" field does not appear to be saved, and instead displays "true".

christianp commented 7 years ago

A silly typo in the editor: I wrote customMarking instead of customMatrix.