# Extract the chapter title from the intro.txt file.
     rchttl = `sed -n '8p' intro.txt | sed 's/^ *.*: //'`

     echo "\$rchttl = $rchttl"

     chtitle = `echo $rchttl | awk ' BEGIN { N=45 ; a=".." }
{ if (length($0) <= N) 
      {print $0}	
  else
      {printf "%s%s\n",substr($0,1,N-2),a}
} '`