>>>>> "t" == ts <decoux / moulon.inra.fr> writes: t> rb_f_raise() is the implementation of #raise t> errinfo_setter is used when you write, for example : t> "$! = RunTimeError.new" t> This is not the same : if at C level you can follow the specification it ^^^^^^^ you can't t> seems for me that the problem exist in the extension. Guy Decoux