SoapUI PRO 5.1: undocumented option in testrunner bat/sh

SoapUI Pro 5.1.1 TestCase Runner usage: testrunner [options] <soapui-project-file> -F Report format. Used with -R. Valid options PDF, XLS, HTML, RTF, CSV, TXT, and XML (comma-separated) -v Sets password for soapui-settings.xml file -t Sets the soapui-settings.xml file to use -A Turns on exporting of all results using folders instead of long filenames -D Sets system property with name=value -E Sets the environment -G Sets global property with name=value -H Adds a custom HTTP Header to all outgoing requests (name=value), can be specified multiple times -I Do not stop if error occurs, ignore them -M Creates a Test Run Log Report in XML format -P Sets or overrides project property with name=value -R Report to Generate -S Saves the project after running the tests -a Turns on exporting of all results -c Sets the testcase -d Sets the domain -e Sets the endpoint -f Sets the output folder to export results to -g Sets the output to include Coverage HTML reports -h Sets the host -i Enables Swing UI for scripts -j Sets the output to include JUnit XML reports -l Installs an activated SoapUI Pro license file -m Sets the maximum number of TestStep errors to save for each testcase -o Opens generated report(s) in a browser -p Sets the password -r Prints a small summary report -s Sets the testsuite -u Sets the username -w Sets the WSS password type, either 'Text' or 'Digest' -x Sets project password for decryption if project is encrypted