--- a/dav/optparser.c Sun Sep 17 16:36:45 2017 +0200 +++ b/dav/optparser.c Sun Sep 17 17:56:02 2017 +0200 @@ -123,6 +123,11 @@ ucx_map_cstr_put(a->options, "extended", NOARG); break; } + case 'S': { + // undocumented hidden feature + ucx_map_cstr_put(a->options, "structure", NOARG); + break; + } case 'o': { if(!option) { option = "output";