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Student analysis csv export bug for < and > in multiple blank questions

I use multiple blank questions to get R commands from students, The csv student analysis report, however, corrupts them to useless bits.

For instance, a perfectly fine answer like "x <- mean(x)" only comes out as "x ", whereas "x <- mean( x[ which(x > 5) ] )" comes out like "x  5) ] )". On student analysis csv export, it seems like anything following a "<" is cut out, until a ">" is his (interpretation as html tags?).

Is this a known problem / bug? Is there a workaround? Currently, my quiz export answers are fully useless. Strangely enough, the answers are stored fully correctly in the quiz itself if I manually check via speed-reader, but I cannot get them out in a csv.

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