Reseting magma tab completion data

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Thanks so much! Indeed, there was a file called " magma_intrinsic_cache.sobj" which had been created with only garbage the first time, because I had interrupted the evaluation. Deleting that made it work.

As to the issue of fixing this permanently: The notebook did say "processing..." but didn't give any other indication that the tab completion process would take a particularly long time, or that there was any danger in aborting, until I after I hit "interrupt", at which point it released a message warning me that it would take a few minutes to set up (but it was too late, as I had already aborted). Also, once I had messed it up, there seemed to be nowhere in the documentation telling me how to fix it, and no methods in the "magma" object (e.g. magma.cleanup() ) to address things within the notebook. It just didn't respond to the tab key any longer. So while it was a user error on my part which caused it, I guess maybe some more robust handling and some documentation could help.

Anyhow, thanks again! I am a graduate student in math and am employing Sage and its cousins in a range of different problems. I love that Sage can interface with Gap and Magma, the latter of which has some more robust algorithms for non-commutative algebra.

Glad to hear that worked -- I wholeheartedly agree about better error handling and notification :)