-+syntax match crontabVar /^[A-Za-z][A-Za-z0-9\-\_]*/ nextgroup=crontabVarEq skipwhite
-+syntax match crontabVarEq contained /=/ nextgroup=CrontabVarValQ,CrontabVarVal skipwhite
-+syntax match crontabVarValQ contained /\(["']\).*\1/ skipwhite
-+syntax match crontabVarVal contained /["']\@!\S\+/ skipwhite
-+
-+