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diff --git a/packages/markdown-it-14.1.0/lib/common/utils.mjs b/packages/markdown-it-14.1.0/lib/common/utils.mjs
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+// Utilities
+//
+
+import * as mdurl from 'mdurl'
+import * as ucmicro from 'uc.micro'
+import { decodeHTML } from 'entities'
+
+function _class (obj) { return Object.prototype.toString.call(obj) }
+
+function isString (obj) { return _class(obj) === '[object String]' }
+
+const _hasOwnProperty = Object.prototype.hasOwnProperty
+
+function has (object, key) {
+  return _hasOwnProperty.call(object, key)
+}
+
+// Merge objects
+//
+function assign (obj /* from1, from2, from3, ... */) {
+  const sources = Array.prototype.slice.call(arguments, 1)
+
+  sources.forEach(function (source) {
+    if (!source) { return }
+
+    if (typeof source !== 'object') {
+      throw new TypeError(source + 'must be object')
+    }
+
+    Object.keys(source).forEach(function (key) {
+      obj[key] = source[key]
+    })
+  })
+
+  return obj
+}
+
+// Remove element from array and put another array at those position.
+// Useful for some operations with tokens
+function arrayReplaceAt (src, pos, newElements) {
+  return [].concat(src.slice(0, pos), newElements, src.slice(pos + 1))
+}
+
+function isValidEntityCode (c) {
+  /* eslint no-bitwise:0 */
+  // broken sequence
+  if (c >= 0xD800 && c <= 0xDFFF) { return false }
+  // never used
+  if (c >= 0xFDD0 && c <= 0xFDEF) { return false }
+  if ((c & 0xFFFF) === 0xFFFF || (c & 0xFFFF) === 0xFFFE) { return false }
+  // control codes
+  if (c >= 0x00 && c <= 0x08) { return false }
+  if (c === 0x0B) { return false }
+  if (c >= 0x0E && c <= 0x1F) { return false }
+  if (c >= 0x7F && c <= 0x9F) { return false }
+  // out of range
+  if (c > 0x10FFFF) { return false }
+  return true
+}
+
+function fromCodePoint (c) {
+  /* eslint no-bitwise:0 */
+  if (c > 0xffff) {
+    c -= 0x10000
+    const surrogate1 = 0xd800 + (c >> 10)
+    const surrogate2 = 0xdc00 + (c & 0x3ff)
+
+    return String.fromCharCode(surrogate1, surrogate2)
+  }
+  return String.fromCharCode(c)
+}
+
+const UNESCAPE_MD_RE  = /\\([!"#$%&'()*+,\-./:;<=>?@[\\\]^_`{|}~])/g
+const ENTITY_RE       = /&([a-z#][a-z0-9]{1,31});/gi
+const UNESCAPE_ALL_RE = new RegExp(UNESCAPE_MD_RE.source + '|' + ENTITY_RE.source, 'gi')
+
+const DIGITAL_ENTITY_TEST_RE = /^#((?:x[a-f0-9]{1,8}|[0-9]{1,8}))$/i
+
+function replaceEntityPattern (match, name) {
+  if (name.charCodeAt(0) === 0x23/* # */ && DIGITAL_ENTITY_TEST_RE.test(name)) {
+    const code = name[1].toLowerCase() === 'x'
+      ? parseInt(name.slice(2), 16)
+      : parseInt(name.slice(1), 10)
+
+    if (isValidEntityCode(code)) {
+      return fromCodePoint(code)
+    }
+
+    return match
+  }
+
+  const decoded = decodeHTML(match)
+  if (decoded !== match) {
+    return decoded
+  }
+
+  return match
+}
+
+/* function replaceEntities(str) {
+  if (str.indexOf('&') < 0) { return str; }
+
+  return str.replace(ENTITY_RE, replaceEntityPattern);
+} */
+
+function unescapeMd (str) {
+  if (str.indexOf('\\') < 0) { return str }
+  return str.replace(UNESCAPE_MD_RE, '$1')
+}
+
+function unescapeAll (str) {
+  if (str.indexOf('\\') < 0 && str.indexOf('&') < 0) { return str }
+
+  return str.replace(UNESCAPE_ALL_RE, function (match, escaped, entity) {
+    if (escaped) { return escaped }
+    return replaceEntityPattern(match, entity)
+  })
+}
+
+const HTML_ESCAPE_TEST_RE = /[&<>"]/
+const HTML_ESCAPE_REPLACE_RE = /[&<>"]/g
+const HTML_REPLACEMENTS = {
+  '&': '&amp;',
+  '<': '&lt;',
+  '>': '&gt;',
+  '"': '&quot;'
+}
+
+function replaceUnsafeChar (ch) {
+  return HTML_REPLACEMENTS[ch]
+}
+
+function escapeHtml (str) {
+  if (HTML_ESCAPE_TEST_RE.test(str)) {
+    return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar)
+  }
+  return str
+}
+
+const REGEXP_ESCAPE_RE = /[.?*+^$[\]\\(){}|-]/g
+
+function escapeRE (str) {
+  return str.replace(REGEXP_ESCAPE_RE, '\\$&')
+}
+
+function isSpace (code) {
+  switch (code) {
+    case 0x09:
+    case 0x20:
+      return true
+  }
+  return false
+}
+
+// Zs (unicode class) || [\t\f\v\r\n]
+function isWhiteSpace (code) {
+  if (code >= 0x2000 && code <= 0x200A) { return true }
+  switch (code) {
+    case 0x09: // \t
+    case 0x0A: // \n
+    case 0x0B: // \v
+    case 0x0C: // \f
+    case 0x0D: // \r
+    case 0x20:
+    case 0xA0:
+    case 0x1680:
+    case 0x202F:
+    case 0x205F:
+    case 0x3000:
+      return true
+  }
+  return false
+}
+
+/* eslint-disable max-len */
+
+// Currently without astral characters support.
+function isPunctChar (ch) {
+  return ucmicro.P.test(ch) || ucmicro.S.test(ch)
+}
+
+// Markdown ASCII punctuation characters.
+//
+// !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \, ], ^, _, `, {, |, }, or ~
+// http://spec.commonmark.org/0.15/#ascii-punctuation-character
+//
+// Don't confuse with unicode punctuation !!! It lacks some chars in ascii range.
+//
+function isMdAsciiPunct (ch) {
+  switch (ch) {
+    case 0x21/* ! */:
+    case 0x22/* " */:
+    case 0x23/* # */:
+    case 0x24/* $ */:
+    case 0x25/* % */:
+    case 0x26/* & */:
+    case 0x27/* ' */:
+    case 0x28/* ( */:
+    case 0x29/* ) */:
+    case 0x2A/* * */:
+    case 0x2B/* + */:
+    case 0x2C/* , */:
+    case 0x2D/* - */:
+    case 0x2E/* . */:
+    case 0x2F/* / */:
+    case 0x3A/* : */:
+    case 0x3B/* ; */:
+    case 0x3C/* < */:
+    case 0x3D/* = */:
+    case 0x3E/* > */:
+    case 0x3F/* ? */:
+    case 0x40/* @ */:
+    case 0x5B/* [ */:
+    case 0x5C/* \ */:
+    case 0x5D/* ] */:
+    case 0x5E/* ^ */:
+    case 0x5F/* _ */:
+    case 0x60/* ` */:
+    case 0x7B/* { */:
+    case 0x7C/* | */:
+    case 0x7D/* } */:
+    case 0x7E/* ~ */:
+      return true
+    default:
+      return false
+  }
+}
+
+// Hepler to unify [reference labels].
+//
+function normalizeReference (str) {
+  // Trim and collapse whitespace
+  //
+  str = str.trim().replace(/\s+/g, ' ')
+
+  // In node v10 'ẞ'.toLowerCase() === 'Ṿ', which is presumed to be a bug
+  // fixed in v12 (couldn't find any details).
+  //
+  // So treat this one as a special case
+  // (remove this when node v10 is no longer supported).
+  //
+  if ('ẞ'.toLowerCase() === 'Ṿ') {
+    str = str.replace(/ẞ/g, 'ß')
+  }
+
+  // .toLowerCase().toUpperCase() should get rid of all differences
+  // between letter variants.
+  //
+  // Simple .toLowerCase() doesn't normalize 125 code points correctly,
+  // and .toUpperCase doesn't normalize 6 of them (list of exceptions:
+  // İ, ϴ, ẞ, Ω, K, Å - those are already uppercased, but have differently
+  // uppercased versions).
+  //
+  // Here's an example showing how it happens. Lets take greek letter omega:
+  // uppercase U+0398 (Θ), U+03f4 (ϴ) and lowercase U+03b8 (θ), U+03d1 (ϑ)
+  //
+  // Unicode entries:
+  // 0398;GREEK CAPITAL LETTER THETA;Lu;0;L;;;;;N;;;;03B8;
+  // 03B8;GREEK SMALL LETTER THETA;Ll;0;L;;;;;N;;;0398;;0398
+  // 03D1;GREEK THETA SYMBOL;Ll;0;L;<compat> 03B8;;;;N;GREEK SMALL LETTER SCRIPT THETA;;0398;;0398
+  // 03F4;GREEK CAPITAL THETA SYMBOL;Lu;0;L;<compat> 0398;;;;N;;;;03B8;
+  //
+  // Case-insensitive comparison should treat all of them as equivalent.
+  //
+  // But .toLowerCase() doesn't change ϑ (it's already lowercase),
+  // and .toUpperCase() doesn't change ϴ (already uppercase).
+  //
+  // Applying first lower then upper case normalizes any character:
+  // '\u0398\u03f4\u03b8\u03d1'.toLowerCase().toUpperCase() === '\u0398\u0398\u0398\u0398'
+  //
+  // Note: this is equivalent to unicode case folding; unicode normalization
+  // is a different step that is not required here.
+  //
+  // Final result should be uppercased, because it's later stored in an object
+  // (this avoid a conflict with Object.prototype members,
+  // most notably, `__proto__`)
+  //
+  return str.toLowerCase().toUpperCase()
+}
+
+// Re-export libraries commonly used in both markdown-it and its plugins,
+// so plugins won't have to depend on them explicitly, which reduces their
+// bundled size (e.g. a browser build).
+//
+const lib = { mdurl, ucmicro }
+
+export {
+  lib,
+  assign,
+  isString,
+  has,
+  unescapeMd,
+  unescapeAll,
+  isValidEntityCode,
+  fromCodePoint,
+  escapeHtml,
+  arrayReplaceAt,
+  isSpace,
+  isWhiteSpace,
+  isMdAsciiPunct,
+  isPunctChar,
+  escapeRE,
+  normalizeReference
+}