add back the codemirror hasCopyEvent - bug workaround; I evidently removed it when updating codemirror.
add back the codemirror hasCopyEvent - bug workaround; I evidently removed it when updating codemirror.

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