groovy/groovy-core — pull request #264 by PascalSchumacher (2013-10-11 19:02:25+00:00)
Title: GROOVY-6385: groovy.bat: Can't use question mark in script parameters

As suggested by Dominique on the mailing list:

http://groovy.329449.n5.nabble.com/Can-t-use-question-mark-in-script-parameters-td5716658.html