#!/bin/sh
#
# Copyright 1991 by Norman Ramsey.  All rights reserved.
# See file COPYRIGHT for more information.

nawk '
/^@begin docs 0$/ { next }
/^@begin docs / { printf "@ " }
/^@begin code / { }
/^@end [cd]o[dc][es] / { 
		if (dangling_text) printf "\n"
		dangling_text = 0
                printf "%s", deflines
                if (defline != "") printf "%s\n", defline
                deflines = "" ; defline = ""
               }
/^@defn / { printf "<<%s>>=", substr($0,7) }
/^@text $/ {next}
/^@text / { 
  gsub("<<", "@<<");
  gsub(">>", "@>>");
  printf "%s", substr($0,7) 
  dangling_text = 1
}
/^@quote$/    { printf("[["); dangling_text = 1 }
/^@endquote$/ { printf("]]"); dangling_text = 1 }
/^@nl$/       { printf "\n"; dangling_text = 0}

/^@index defn / {
     if (defline == "") defline = "@ %def"
     defline = defline " " substr($0, 13)
}
/^@index nl$/ {
     deflines = deflines defline "\n"
     defline = ""
}
/^@use / { printf "<<%s>>", substr($0,6)
           dangling_text = 1
         }' $* | sed 's/^@ $/@/'
