module Escape: Bracetax_escape
val replace_string : src:string -> find:string -> replace_with:string -> string
val replace_chars : src:string -> patterns:(char * string) list -> string
let patterns = [('<', "<"); ('>', ">"); ('&', "&")] in
Escape.replace_chars ~src:line ~patterns
val is_white_space : string -> bool
val clean_string : string -> string