require "editheader";
require "encoded-character";

# Ok
addheader "X-field" "Frop";

# Ok
addheader "X-field" "Frop
Frml";

# Invalid 'BELL'
addheader "X-field" "Yeah!${hex:07}";

# Invalid 'NUL'
addheader "X-field" "Woah!${hex:00}";