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diff --git a/node_modules/markdown-it/lib/token.js b/node_modules/markdown-it/lib/token.js
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+// Token class
+
+'use strict';
+
+
+/**
+ * class Token
+ **/
+
+/**
+ * new Token(type, tag, nesting)
+ *
+ * Create new token and fill passed properties.
+ **/
+function Token(type, tag, nesting) {
+  /**
+   * Token#type -> String
+   *
+   * Type of the token (string, e.g. "paragraph_open")
+   **/
+  this.type     = type;
+
+  /**
+   * Token#tag -> String
+   *
+   * html tag name, e.g. "p"
+   **/
+  this.tag      = tag;
+
+  /**
+   * Token#attrs -> Array
+   *
+   * Html attributes. Format: `[ [ name1, value1 ], [ name2, value2 ] ]`
+   **/
+  this.attrs    = null;
+
+  /**
+   * Token#map -> Array
+   *
+   * Source map info. Format: `[ line_begin, line_end ]`
+   **/
+  this.map      = null;
+
+  /**
+   * Token#nesting -> Number
+   *
+   * Level change (number in {-1, 0, 1} set), where:
+   *
+   * -  `1` means the tag is opening
+   * -  `0` means the tag is self-closing
+   * - `-1` means the tag is closing
+   **/
+  this.nesting  = nesting;
+
+  /**
+   * Token#level -> Number
+   *
+   * nesting level, the same as `state.level`
+   **/
+  this.level    = 0;
+
+  /**
+   * Token#children -> Array
+   *
+   * An array of child nodes (inline and img tokens)
+   **/
+  this.children = null;
+
+  /**
+   * Token#content -> String
+   *
+   * In a case of self-closing tag (code, html, fence, etc.),
+   * it has contents of this tag.
+   **/
+  this.content  = '';
+
+  /**
+   * Token#markup -> String
+   *
+   * '*' or '_' for emphasis, fence string for fence, etc.
+   **/
+  this.markup   = '';
+
+  /**
+   * Token#info -> String
+   *
+   * Additional information:
+   *
+   * - Info string for "fence" tokens
+   * - The value "auto" for autolink "link_open" and "link_close" tokens
+   * - The string value of the item marker for ordered-list "list_item_open" tokens
+   **/
+  this.info     = '';
+
+  /**
+   * Token#meta -> Object
+   *
+   * A place for plugins to store an arbitrary data
+   **/
+  this.meta     = null;
+
+  /**
+   * Token#block -> Boolean
+   *
+   * True for block-level tokens, false for inline tokens.
+   * Used in renderer to calculate line breaks
+   **/
+  this.block    = false;
+
+  /**
+   * Token#hidden -> Boolean
+   *
+   * If it's true, ignore this element when rendering. Used for tight lists
+   * to hide paragraphs.
+   **/
+  this.hidden   = false;
+}
+
+
+/**
+ * Token.attrIndex(name) -> Number
+ *
+ * Search attribute index by name.
+ **/
+Token.prototype.attrIndex = function attrIndex(name) {
+  var attrs, i, len;
+
+  if (!this.attrs) { return -1; }
+
+  attrs = this.attrs;
+
+  for (i = 0, len = attrs.length; i < len; i++) {
+    if (attrs[i][0] === name) { return i; }
+  }
+  return -1;
+};
+
+
+/**
+ * Token.attrPush(attrData)
+ *
+ * Add `[ name, value ]` attribute to list. Init attrs if necessary
+ **/
+Token.prototype.attrPush = function attrPush(attrData) {
+  if (this.attrs) {
+    this.attrs.push(attrData);
+  } else {
+    this.attrs = [ attrData ];
+  }
+};
+
+
+/**
+ * Token.attrSet(name, value)
+ *
+ * Set `name` attribute to `value`. Override old value if exists.
+ **/
+Token.prototype.attrSet = function attrSet(name, value) {
+  var idx = this.attrIndex(name),
+      attrData = [ name, value ];
+
+  if (idx < 0) {
+    this.attrPush(attrData);
+  } else {
+    this.attrs[idx] = attrData;
+  }
+};
+
+
+/**
+ * Token.attrGet(name)
+ *
+ * Get the value of attribute `name`, or null if it does not exist.
+ **/
+Token.prototype.attrGet = function attrGet(name) {
+  var idx = this.attrIndex(name), value = null;
+  if (idx >= 0) {
+    value = this.attrs[idx][1];
+  }
+  return value;
+};
+
+
+/**
+ * Token.attrJoin(name, value)
+ *
+ * Join value to existing attribute via space. Or create new attribute if not
+ * exists. Useful to operate with token classes.
+ **/
+Token.prototype.attrJoin = function attrJoin(name, value) {
+  var idx = this.attrIndex(name);
+
+  if (idx < 0) {
+    this.attrPush([ name, value ]);
+  } else {
+    this.attrs[idx][1] = this.attrs[idx][1] + ' ' + value;
+  }
+};
+
+
+module.exports = Token;