In xml_test.script some new strings are marked with the macro _(""), so as tranlatable. But they should probably be kept as they are:
lines 68, 81 (?), 82 (gives an error in poedit), 140, 154, 209, 241, 242, 246
gd_on
Yea, this are only test files for devs, no user should ever see them...