<?php

$h = fopen('UnicodeData.txt', 'r');
$out = array();
$exclude = '';
$length = 0;
$previous_class = 'Cc';
$include = array('Lu', 'Ll', 'Lt', 'Lo', 'Lm', 'Nd', 'No', 'Mc', 'Mn');
$start = '0';
while ($data = fgetcsv($h, 2000, ';')) {
  $codepoint = ltrim($data[0], 0);
  $class = $data[2];
  if ($class != $previous_class) {
    if (!in_array($previous_class, $include) && in_array($class, $include)) {
      $current = '\x{' . $start . '}';
      $offset = 1;
      if ($start != $previous_codepoint) {
        $current .= '-\x{'. $previous_codepoint .'}';
      }
      $current_length = strlen($current);
      if ($length + $current_length > 78) {
        $exclude .= "' .\n'";
        $length = 0;
      }
      $length += $current_length;
      $exclude .= $current;
    }
    elseif (in_array($previous_class, $include) && !in_array($class, $include)) {
      $start = $codepoint;
    }
  }
  $previous_class = $class;
  $previous_codepoint = $codepoint;
}