Allow option names to be given a leading underscore

 (in case of conflict with Python keywords)


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@33577 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/grass.py

@@ -32,6 +32,8 @@ def make_command(prog, flags = "", overwrite = False, quiet = False, verbose = F
 	args.append("-%s" % flags)
     for opt, val in options.iteritems():
 	if val != None:
+	    if opt[0] == '_':
+		opt = opt[1:]
 	    args.append("%s=%s" % (opt, _make_val(val)))
     return args