{
  open Lexing 
}

(* additional lexer to extract URL from Coq manual's index *)

rule entry = parse
  | "<LI><TT>" [^ ',']* "</TT>, "
      { let s = lexeme lexbuf in
	let n = String.length s in
	String.sub s 8 (n - 15), extract_index_url lexbuf }
  | "<LI>" [^ ',']* ", " 
      { let s = lexeme lexbuf in
	let n = String.length s in
	String.sub s 4 (n - 6), extract_index_url lexbuf }

and extract_index_url = parse
  | "<A HREF=\"" [^ '"']* '"'
      { let s = lexeme lexbuf in
	let n = String.length s in
	String.sub s 9 (n - 10) }