def code.zero
import emerging-ezhttp@0.21.0.0/src/unescape.bend as Unescapeimport Base
115# 0 is U+FFFD, else on to 0x0D
116def code.zero(+n: U32, zero: Bool) -> String:
117 match zero:
118 case True{}:
119 fffd()
120 case False{}:
121 code.cr(n, U32.is_eq(n, 13))