printing the full help happens in response to the -h option and should go to stdout

Author: timfel

graalpython/com.oracle.graal.python.shell/src/com/oracle/graal/python/shell/GraalPythonMain.java

@@ -703,7 +703,7 @@ protected String getLanguageId() {
 
     @Override
     protected void printHelp(OptionCategory maxCategory) {
-        print("usage: python [option] ... (-c cmd | file) [arg] ...\n" +
+        System.out.println("usage: python [option] ... (-c cmd | file) [arg] ...\n" +
                         "Options and arguments (and corresponding environment variables):\n" +
                         "-B     : this disables writing .py[co] files on import\n" +
                         "-c cmd : program passed in as string (terminates option list)\n" +