type alias Tcharimport { type Tchar } from "https://deno.land/x/http_utils@2.0.0-beta.1/token.ts"; tchar letter. definition: | "!" | "#" | "$" | "%" | "&" | "'" | "*" | "+" | "-" | "." | "^" | "_" | "`" | "|" | "~" | Digit | Alpha