@pimms.value<EOL><INDENT>def repr(chirality, registration):<DEDENT>
ch = '<STR_LIT>' if chirality is None else chirality.upper()<EOL>reg = '<STR_LIT>' if registration is None else registration<EOL>return '<STR_LIT>' % (ch, reg)<EOL>
proj.repr is the representation string yielded by proj.__repr__().