diff --git a/string.php b/string.php
index 6246b94..a747628 100644
--- a/string.php
+++ b/string.php
@@ -1,70 +1,129 @@
-<?php
-function umlaute($str) {
-  return str_replace(array(
-      'Ä',
-      'Ö',
-      'Ü',
-      'ä',
-      'ö',
-      'ü',
-      'ß'
-  ), array(
-      '&Auml;',
-      '&Ouml;',
-      '&Uuml;',
-      '&auml;',
-      '&ouml;',
-      '&uuml;',
-      '&szlig;'
-  ), $str);
-}
-function chk($str) {
-  return str_replace("'", '"', $str);
-}
-function noScript($str) {
-  return str_replace(array(
-      '<',
-      '>'
-  ), array(
-      '&lt;',
-      '&gt;'
-  ), $str);
-}
-function random($name_laenge) {
-  $zeichen = "abcedfghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZ0123456789";
-  $name_neu = "";
-
-  @mt_srand((double)microtime() * 1000000);
-  for($i = 0; $i < $name_laenge; $i++){
-    $r = mt_rand(0, strlen($zeichen) - 1);
-    $name_neu .= $zeichen{$r};
-  }
-  return $name_neu;
-}
-function startsWith($haystack, $needle) {
-  $length = strlen($needle);
-  return (substr($haystack, 0, $length) === $needle);
-}
-function endsWith($haystack, $needle) {
-  $length = strlen($needle);
-
-  return $length === 0 || (substr($haystack, -$length) === $needle);
-}
-function onlyAlpha($str) {
-  return preg_replace("/[^a-zA-Z0-9 \-\_]+/", "", $str);
-}
-function shortener($str, $len = 50, $fill = '...') {
-  if(strlen($str) > $len){
-    $str = substr($str, 0, $len - strlen($fill)) . $fill;
-  }
-  return $str;
-}
-function isEmail($str) {
-  $match = preg_match("/[a-zA-Z0-9\-\_\.]*\@[a-zA-Z0-9\-\_\.]*.[a-z]{2,10}/", $str);
-  if($match){
-    return $str;
-  }
-  return false;
-}
-
+<?php
+function umlaute($str) {
+  return str_replace ( array (
+      'Ä',
+      'Ö',
+      'Ü',
+      'ä',
+      'ö',
+      'ü',
+      'ß'
+  ), array (
+      '&Auml;',
+      '&Ouml;',
+      '&Uuml;',
+      '&auml;',
+      '&ouml;',
+      '&uuml;',
+      '&szlig;'
+  ), $str );
+}
+function chk($str) {
+  return str_replace ( "'", '"', $str );
+}
+function noScript($str) {
+  return str_replace ( array (
+      '<',
+      '>'
+  ), array (
+      '&lt;',
+      '&gt;'
+  ), $str );
+}
+function random($name_laenge) {
+  $zeichen = "abcedfghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZ0123456789";
+  $name_neu = "";
+
+  @mt_srand ( ( double ) microtime () * 1000000 );
+  for($i = 0; $i < $name_laenge; $i ++) {
+    $r = mt_rand ( 0, strlen ( $zeichen ) - 1 );
+    $name_neu .= $zeichen {$r};
+  }
+  return $name_neu;
+}
+function startsWith($haystack, $needle) {
+  $length = strlen ( $needle );
+  return (substr ( $haystack, 0, $length ) === $needle);
+}
+function endsWith($haystack, $needle) {
+  $length = strlen ( $needle );
+
+  return $length === 0 || (substr ( $haystack, - $length ) === $needle);
+}
+function onlyAlpha($str) {
+  return preg_replace ( "/[^a-zA-Z0-9 \-\_]+/", "", $str );
+}
+function shortener($str, $len = 50, $fill = '...') {
+  if (strlen ( $str ) > $len) {
+    $str = substr ( $str, 0, $len - strlen ( $fill ) ) . $fill;
+  }
+  return $str;
+}
+function isEmail($str) {
+  $match = preg_match ( "/[a-zA-Z0-9\-\_\.]*\@[a-zA-Z0-9\-\_\.]*.[a-z]{2,10}/", $str );
+  if ($match) {
+    return $str;
+  }
+  return false;
+}
+function markUp($text) {
+  $r = '';
+  $lv = 0;
+  foreach ( explode ( "\n", $text ) as $t ) {
+    $nlv = 0;
+    if (startsWith ( '**** ', $t )) {
+      $t = substr ( $t, 5 );
+      $nlv = 4;
+    }
+    if (startsWith ( '*** ', $t )) {
+      $t = substr ( $t, 4 );
+      $nlv = 3;
+    }
+    if (startsWith ( '** ', $t )) {
+      $t = substr ( $t, 3 );
+      $nlv = 2;
+    }
+    if (startsWith ( '* ', $t )) {
+      $t = substr ( $t, 2 );
+      $nlv = 1;
+    }
+    if ($lv != $nlv) {
+      while ( $lv < $nlv ) {
+        $text .= '<ul>';
+        $lv ++;
+      }
+      while ( $lv > $nlv ) {
+        $text .= '</ul>';
+        $lv --;
+      }
+    }
+    if (startsWith ( $t, '!!!!! ' )) {
+      $t = '<h5>' . substr ( $t, 6 ) . '</h5>';
+    }
+    if (startsWith ( $t, '!!!! ' )) {
+      $t = '<h4>' . substr ( $t, 5 ) . '</h4>';
+    }
+    if (startsWith ( $t, '!!! ' )) {
+      $t = '<h3>' . substr ( $t, 4 ) . '</h3>';
+    }
+    if (startsWith ( $t, '!! ' )) {
+      $t = '<h2>' . substr ( $t, 3 ) . '</h2>';
+    }
+    if (startsWith ( $t, '! ' )) {
+      $t = '<h1>' . substr ( $t, 2 ) . '</h1>';
+    }
+    if ($lv == 0) {
+      $r .= $t;
+    } else {
+      $r .= '<li>' . $t . '</li>';
+    }
+    // var_dump ( $t );
+  }
+  while ( $lv > 0 ) {
+    $r .= '</ul>';
+    $lv --;
+  }
+  return $r;
+}
+
 ?>
\ No newline at end of file