let help_O = "<dir> Set this output directory"
let help_X = " Clear configuration and options"
let help_a = " Log alpha-unconverted identifiers (default: no)"
+let help_g = " Global alpha-conversion (default: no)"
let help_l = "<file> Output the list of generated files in this file"
-let help_p = " omit types (default: no)"
+let help_p = " Omit types (default: no)"
let help_t = " Test term transformations (default: no)"
let help = ""
"-O", A.String ((:=) G.out_dir), help_O;
"-X", A.Unit G.clear, help_X;
"-a", A.Set G.log_alpha, help_a;
+ "-g", A.Set G.global_alpha, help_g;
"-l", A.String set_list, help_l;
"-p", A.Set G.no_types, help_p;
"-t", A.Set G.test, help_t;