``` > "hello -> unfinished quote " > def concept unfinished quote q ... where: ...... q in ('"', '"') ... desc: ...... "Error detected by the default parser where the trailing quote is missing" ... input = sheerka.last_input > when unfinished quote q as c: ... add rule as: ...... if q in sheerka.input: ......... sheerka.resume(c, c.input + input) ......... remove rule ```