def plain
import bend-kit-json@0.7.0.0/json.bend as Jsonimport Base
196# A string byte that needs no check: ASCII, not a control, quote or backslash.
197def plain(+c: U32) -> Bool:
198 U32.is_le(32, c) && U32.is_lt(c, 128) && U32.is_ne(c, 34) && U32.is_ne(c, 92)