Fix for wikibits.js (ts_toLowerCase)
If you go to the above URL and try to sort the table by second column, you will get an error "s is undefined: wikibits.js?184, Line 718". This is because ts_toLowerCase(s) doesn't check for empty values (like e.g. ts_parseFloat does).
Simple fix attached.
Version: 1.14.x
Severity: minor
URL: http://de.wikipedia.org/wiki/Benutzer:P.Copp/temp/Tablesorttest
Attached: