diff --git a/markdown-it-attrs.browser.js b/markdown-it-attrs.browser.js
index ffbf585..dc3c631 100644
--- a/markdown-it-attrs.browser.js
+++ b/markdown-it-attrs.browser.js
@@ -1,344 +1,4 @@
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.markdownItAttrs = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-'use strict';
-
-var utils = require('./utils.js');
-
-module.exports = function attributes(md) {
-
-  function curlyAttrs(state){
-    var tokens = state.tokens;
-    var l = tokens.length;
-    for (var i = 0; i < l; ++i) {
-      // fenced code blocks
-      if (tokens[i].block && tokens[i].info && hasCurly(tokens[i].info)) {
-        var codeCurlyStart = tokens[i].info.indexOf('{');
-        var codeCurlyEnd = tokens[i].info.length - 1;
-        var codeAttrs = utils.getAttrs(tokens[i].info, codeCurlyStart + 1, codeCurlyEnd);
-        utils.addAttrs(codeAttrs, tokens[i]);
-        tokens[i].info = removeCurly(tokens[i].info);
-        continue;
-      }
-      // block tokens contain markup
-      // inline tokens contain the text
-      if (tokens[i].type !== 'inline') {
-        continue;
-      }
-
-      var inlineTokens = tokens[i].children;
-      if (!inlineTokens || inlineTokens.length <= 0) {
-        continue;
-      }
-
-      // attributes in inline tokens:
-      // inline **bold**{.red} text
-      // {
-      //   "type": "strong_close",
-      //   "tag": "strong",
-      //   "attrs": null,
-      //   "map": null,
-      //   "nesting": -1,
-      //   "level": 0,
-      //   "children": null,
-      //   "content": "",
-      //   "markup": "**",
-      //   "info": "",
-      //   "meta": null,
-      //   "block": false,
-      //   "hidden": false
-      // },
-      // {
-      //   "type": "text",
-      //   "tag": "",
-      //   "attrs": null,
-      //   "map": null,
-      //   "nesting": 0,
-      //   "level": 0,
-      //   "children": null,
-      //   "content": "{.red} text",
-      //   "markup": "",
-      //   "info": "",
-      //   "meta": null,
-      //   "block": false,
-      //   "hidden": false
-      // }
-      for (var j=0, k=inlineTokens.length; j<k; ++j) {
-        // should be inline token of type text
-        if (!inlineTokens[j] || inlineTokens[j].type !== 'text') {
-          continue;
-        }
-        // token before should not be opening
-        if (!inlineTokens[j - 1] || inlineTokens[j - 1].nesting === 1) {
-          continue;
-        }
-        // token should contain { in begining
-        if (inlineTokens[j].content[0] !== '{') {
-          continue;
-        }
-        // } should be found
-        var endChar = inlineTokens[j].content.indexOf('}');
-        if (endChar === -1) {
-          continue;
-        }
-        // which token to add attributes to
-        var attrToken = matchingOpeningToken(inlineTokens, j - 1);
-        if (!attrToken) {
-          continue;
-        }
-        var inlineAttrs = utils.getAttrs(inlineTokens[j].content, 1, endChar);
-        if (inlineAttrs.length !== 0) {
-          // remove {}
-          inlineTokens[j].content = inlineTokens[j].content.slice(endChar + 1);
-          // add attributes
-          attrToken.info = 'b';
-          utils.addAttrs(inlineAttrs, attrToken);
-        }
-      }
-
-      // attributes for blocks
-      if (hasCurly(tokens[i].content)) {
-        var content = last(inlineTokens).content;
-        var curlyStart = content.lastIndexOf('{');
-        var attrs = utils.getAttrs(content, curlyStart + 1, content.length - 1);
-        // if list and `\n{#c}` -> apply to bullet list open:
-        //
-        // - iii
-        // {#c}
-        //
-        // should give
-        //
-        // <ul id="c">
-        //   <li>iii</li>
-        // </ul>
-        var nextLastInline = nextLast(inlineTokens);
-        // some blocks are hidden, example li > paragraph_open
-        var correspondingBlock = firstTokenNotHidden(tokens, i - 1);
-        if (nextLastInline && nextLastInline.type === 'softbreak' &&
-            correspondingBlock && correspondingBlock.type === 'list_item_open') {
-          utils.addAttrs(attrs, bulletListOpen(tokens, i - 1));
-          // remove softbreak and {} inline tokens
-          tokens[i].children = inlineTokens.slice(0, -2);
-          tokens[i].content = removeCurly(tokens[i].content);
-          if (hasCurly(tokens[i].content)) {
-            // do once more:
-            //
-            // - item {.a}
-            // {.b} <-- applied this
-            i -= 1;
-          }
-        } else {
-          utils.addAttrs(attrs, correspondingBlock);
-          last(inlineTokens).content = removeCurly(content);
-          tokens[i].content = removeCurly(tokens[i].content);
-        }
-      }
-
-    }
-  }
-  md.core.ruler.before('replacements', 'curly_attributes', curlyAttrs);
-};
-
-/**
- * test if string has proper formated curly
- */
-function hasCurly(str) {
-  // we need minimum four chars, example {.b}
-  if (!str || !str.length || str.length < 4) {
-    return false;
-  }
-
-  // should end in }
-  if (str.charAt(str.length - 1) !== '}') {
-    return false;
-  }
-
-  // should start with {
-  if (str.indexOf('{') === -1) {
-    return false;
-  }
-  return true;
-}
-
-/**
- * some blocks are hidden (not rendered)
- */
-function firstTokenNotHidden(tokens, i) {
-  if (tokens[i] && tokens[i].hidden) {
-    return firstTokenNotHidden(tokens, i - 1);
-  }
-  return tokens[i];
-}
-
-/**
- * Find first bullet list open.
- */
-function bulletListOpen(tokens, i) {
-  if (tokens[i] && tokens[i].type !== 'bullet_list_open') {
-    return bulletListOpen(tokens, i - 1);
-  }
-  return tokens[i];
-}
-
-/**
- * find corresponding opening block
- */
-function matchingOpeningToken(tokens, i) {
-  if (tokens[i].type === 'softbreak') {
-    return false;
-  }
-  // non closing blocks, example img
-  if (tokens[i].nesting === 0) {
-    return tokens[i];
-  }
-  var type = tokens[i].type.replace('_close', '_open');
-  for (; i >= 0; --i) {
-    if (tokens[i].type === type) {
-      return tokens[i];
-    }
-  }
-}
-/**
- * Removes last curly from string.
- */
-function removeCurly(str) {
-  var curly = /[ \n]?{[^{}}]+}$/;
-  var pos = str.search(curly);
-
-  return pos !== -1 ? str.slice(0, pos) : str;
-}
-
-function last(arr) {
-  return arr.slice(-1)[0];
-}
-
-function nextLast(arr) {
-  return arr.slice(-2, -1)[0];
-}
-
-},{"./utils.js":2}],2:[function(require,module,exports){
-'use strict';
-/**
- * parse {.class #id key=val} strings
- * @param {string} str: string to parse
- * @param {int} start: where to start parsing (not including {)
- * @param {int} end: where to stop parsing (not including })
- * @returns {2d array}: [['key', 'val'], ['class', 'red']]
- */
-exports.getAttrs = function(str, start, end) {
-  // not tab, line feed, form feed, space, solidus, greater than sign, quotation mark, apostrophe and equals sign
-  var allowedKeyChars = /[^\t\n\f \/>"'=]/;
-  var pairSeparator = ' ';
-  var keySeparator = '=';
-  var classChar = '.';
-  var idChar = '#';
-
-  var attrs = [];
-  var key = '';
-  var value = '';
-  var parsingKey = true;
-  var valueInsideQuotes = false;
-
-  // read inside {}
-  for (var i=start; i <= end; ++i) {
-    var char_ = str.charAt(i);
-
-    // switch to reading value if equal sign
-    if (char_ === keySeparator) {
-      parsingKey = false;
-      continue;
-    }
-
-    // {.class}
-    if (char_ === classChar && key === '') {
-      key = 'class';
-      parsingKey = false;
-      continue;
-    }
-
-    // {#id}
-    if (char_ === idChar && key === '') {
-      key = 'id';
-      parsingKey = false;
-      continue;
-    }
-
-    // {value="inside quotes"}
-    if (char_ === '"' && value === '') {
-      valueInsideQuotes = true;
-      continue;
-    }
-    if (char_ === '"' && valueInsideQuotes) {
-      valueInsideQuotes = false;
-      continue;
-    }
-
-    // read next key/value pair
-    if ((char_ === pairSeparator && !valueInsideQuotes) || i === end) {
-      if (key === '') {
-        // beginning or ending space: { .red } vs {.red}
-        continue;
-      }
-      attrs.push([key, value]);
-      key = '';
-      value = '';
-      parsingKey = true;
-      continue;
-    }
-
-    // continue if character not allowed
-    if (parsingKey && char_.search(allowedKeyChars) === -1) {
-      continue;
-    }
-
-    // no other conditions met; append to key/value
-    if (parsingKey) {
-      key += char_;
-      continue;
-    }
-    value += char_;
-  }
-  return attrs;
-};
-
-/**
- * add attributes from [['key', 'val']] list
- * @param {array} attrs: [['key', 'val']]
- * @param {token} token: which token to add attributes
- * @returns token
- */
-exports.addAttrs = function(attrs, token) {
-  for (var j=0, l=attrs.length; j<l; ++j) {
-    var key = attrs[j][0];
-    if (key === 'class') {
-      token.attrJoin('class', attrs[j][1]);
-    } else {
-      token.attrPush(attrs[j]);
-    }
-  }
-  return token;
-};
-
-/**
- * from https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.js
- */
-var HTML_ESCAPE_TEST_RE = /[&<>"]/;
-var HTML_ESCAPE_REPLACE_RE = /[&<>"]/g;
-var HTML_REPLACEMENTS = {
-  '&': '&amp;',
-  '<': '&lt;',
-  '>': '&gt;',
-  '"': '&quot;'
-};
-
-function replaceUnsafeChar(ch) {
-  return HTML_REPLACEMENTS[ch];
-}
-
-exports.escapeHtml = function(str) {
-  if (HTML_ESCAPE_TEST_RE.test(str)) {
-    return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);
-  }
-  return str;
-};
 
 },{}]},{},[1])(1)
 });
\ No newline at end of file
diff --git a/package.json b/package.json
index 3e28ef0..6231cb3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "markdown-it-attrs",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "description": "Add classes, identifiers and attributes to your markdown with {} curly brackets, similar to pandoc's header attributes",
   "main": "index.js",
   "browser": "./markdown-it-attrs.browser.js",