use mathjax 2.7.3 -- that's what jupyter is expecting, it's the latest, and things are totally broken due to a mismatch -- see https://github.com/sagemathinc/cocalc/issues/2773
use mathjax 2.7.3 -- that's what jupyter is expecting, it's the latest, and things are totally broken due to a mismatch -- see https://github.com/sagemathinc/cocalc/issues/2773

sagemathinc/smc,tscholl2/smc,tscholl2/smc,DrXyzzy/smc,DrXyzzy/smc,DrXyzzy/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc