Update Readability.js

Update Readability.js to latest revision and move it to third_party with
an own README.epiphany.

4 files changed, 2 insertions, 2047 deletions

diff --git a/src/meson.build b/src/meson.build
index 50234bf6f..03999ca59 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -136,7 +136,8 @@ epiphany_sources = [
   'ephy-main.c',
   resources,
   pdfjs_resources,
-  highlightjs_resources
+  highlightjs_resources,
+  readability_resources,
 ]
 
 executable('epiphany',
diff --git a/src/resources/Readability.js b/src/resources/Readability.js
deleted file mode 100644
index 2c716b164..000000000
--- a/src/resources/Readability.js
+++ /dev/null
@@ -1,1826 +0,0 @@
-//////////////////////////////////////////////////////////////////////////
-// Warning: Epiphany changes at the bottom of the file.                 //
-// https://github.com/mozilla/readability distributed under Apache V2.0 //
-//////////////////////////////////////////////////////////////////////////
-
-/*eslint-env es6:false*/
-/*
- * Copyright (c) 2010 Arc90 Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * This code is heavily based on Arc90's readability.js (1.7.1) script
- * available at: http://code.google.com/p/arc90labs-readability
- */
-
-/**
- * Public constructor.
- * @param {HTMLDocument} doc     The document to parse.
- * @param {Object}       options The options object.
- */
-function Readability(doc, options) {
-  // In some older versions, people passed a URI as the first argument. Cope:
-  if (options && options.documentElement) {
-    doc = options;
-    options = arguments[2];
-  } else if (!doc || !doc.documentElement) {
-    throw new Error("First argument to Readability constructor should be a document object.");
-  }
-  options = options || {};
-
-  this._doc = doc;
-  this._articleTitle = null;
-  this._articleByline = null;
-  this._articleDir = null;
-  this._articleSiteName = null;
-  this._attempts = [];
-
-  // Configurable options
-  this._debug = !!options.debug;
-  this._maxElemsToParse = options.maxElemsToParse || this.DEFAULT_MAX_ELEMS_TO_PARSE;
-  this._nbTopCandidates = options.nbTopCandidates || this.DEFAULT_N_TOP_CANDIDATES;
-  this._charThreshold = options.charThreshold || this.DEFAULT_CHAR_THRESHOLD;
-  this._classesToPreserve = this.CLASSES_TO_PRESERVE.concat(options.classesToPreserve || []);
-
-  // Start with all flags set
-  this._flags = this.FLAG_STRIP_UNLIKELYS |
-                this.FLAG_WEIGHT_CLASSES |
-                this.FLAG_CLEAN_CONDITIONALLY;
-
-  var logEl;
-
-  // Control whether log messages are sent to the console
-  if (this._debug) {
-    logEl = function(e) {
-      var rv = e.nodeName + " ";
-      if (e.nodeType == e.TEXT_NODE) {
-        return rv + '("' + e.textContent + '")';
-      }
-      var classDesc = e.className && ("." + e.className.replace(/ /g, "."));
-      var elDesc = "";
-      if (e.id)
-        elDesc = "(#" + e.id + classDesc + ")";
-      else if (classDesc)
-        elDesc = "(" + classDesc + ")";
-      return rv + elDesc;
-    };
-    this.log = function () {
-      if (typeof dump !== "undefined") {
-        var msg = Array.prototype.map.call(arguments, function(x) {
-          return (x && x.nodeName) ? logEl(x) : x;
-        }).join(" ");
-        dump("Reader: (Readability) " + msg + "\n");
-      } else if (typeof console !== "undefined") {
-        var args = ["Reader: (Readability) "].concat(arguments);
-        console.log.apply(console, args);
-      }
-    };
-  } else {
-    this.log = function () {};
-  }
-}
-
-Readability.prototype = {
-  FLAG_STRIP_UNLIKELYS: 0x1,
-  FLAG_WEIGHT_CLASSES: 0x2,
-  FLAG_CLEAN_CONDITIONALLY: 0x4,
-
-  // https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType
-  ELEMENT_NODE: 1,
-  TEXT_NODE: 3,
-
-  // Max number of nodes supported by this parser. Default: 0 (no limit)
-  DEFAULT_MAX_ELEMS_TO_PARSE: 0,
-
-  // The number of top candidates to consider when analysing how
-  // tight the competition is among candidates.
-  DEFAULT_N_TOP_CANDIDATES: 5,
-
-  // Element tags to score by default.
-  DEFAULT_TAGS_TO_SCORE: "section,h2,h3,h4,h5,h6,p,td,pre".toUpperCase().split(","),
-
-  // The default number of chars an article must have in order to return a result
-  DEFAULT_CHAR_THRESHOLD: 500,
-
-  // All of the regular expressions in use within readability.
-  // Defined up here so we don't instantiate them repeatedly in loops.
-  REGEXPS: {
-    // NOTE: These two regular expressions are duplicated in
-    // Readability-readerable.js. Please keep both copies in sync.
-    unlikelyCandidates: /-ad-|ai2html|banner|breadcrumbs|combx|comment|community|cover-wrap|disqus|extra|foot|gdpr|header|legends|menu|related|remark|replies|rss|shoutbox|sidebar|skyscraper|social|sponsor|supplemental|ad-break|agegate|pagination|pager|popup|yom-remote/i,
-    okMaybeItsACandidate: /and|article|body|column|main|shadow/i,
-
-    positive: /article|body|content|entry|hentry|h-entry|main|page|pagination|post|text|blog|story/i,
-    negative: /hidden|^hid$| hid$| hid |^hid |banner|combx|comment|com-|contact|foot|footer|footnote|gdpr|masthead|media|meta|outbrain|promo|related|scroll|share|shoutbox|sidebar|skyscraper|sponsor|shopping|tags|tool|widget/i,
-    extraneous: /print|archive|comment|discuss|e[\-]?mail|share|reply|all|login|sign|single|utility/i,
-    byline: /byline|author|dateline|writtenby|p-author/i,
-    replaceFonts: /<(\/?)font[^>]*>/gi,
-    normalize: /\s{2,}/g,
-    videos: /\/\/(www\.)?((dailymotion|youtube|youtube-nocookie|player\.vimeo|v\.qq)\.com|(archive|upload\.wikimedia)\.org|player\.twitch\.tv)/i,
-    nextLink: /(next|weiter|continue|>([^\|]|$)|»([^\|]|$))/i,
-    prevLink: /(prev|earl|old|new|<|«)/i,
-    whitespace: /^\s*$/,
-    hasContent: /\S$/,
-  },
-
-  DIV_TO_P_ELEMS: [ "A", "BLOCKQUOTE", "DL", "DIV", "IMG", "OL", "P", "PRE", "TABLE", "UL", "SELECT" ],
-
-  ALTER_TO_DIV_EXCEPTIONS: ["DIV", "ARTICLE", "SECTION", "P"],
-
-  PRESENTATIONAL_ATTRIBUTES: [ "align", "background", "bgcolor", "border", "cellpadding", "cellspacing", "frame", "hspace", "rules", "style", "valign", "vspace" ],
-
-  DEPRECATED_SIZE_ATTRIBUTE_ELEMS: [ "TABLE", "TH", "TD", "HR", "PRE" ],
-
-  // The commented out elements qualify as phrasing content but tend to be
-  // removed by readability when put into paragraphs, so we ignore them here.
-  PHRASING_ELEMS: [
-    // "CANVAS", "IFRAME", "SVG", "VIDEO",
-    "ABBR", "AUDIO", "B", "BDO", "BR", "BUTTON", "CITE", "CODE", "DATA",
-    "DATALIST", "DFN", "EM", "EMBED", "I", "IMG", "INPUT", "KBD", "LABEL",
-    "MARK", "MATH", "METER", "NOSCRIPT", "OBJECT", "OUTPUT", "PROGRESS", "Q",
-    "RUBY", "SAMP", "SCRIPT", "SELECT", "SMALL", "SPAN", "STRONG", "SUB",
-    "SUP", "TEXTAREA", "TIME", "VAR", "WBR"
-  ],
-
-  // These are the classes that readability sets itself.
-  CLASSES_TO_PRESERVE: [ "page" ],
-
-  /**
-   * Run any post-process modifications to article content as necessary.
-   *
-   * @param Element
-   * @return void
-  **/
-  _postProcessContent: function(articleContent) {
-    // Readability cannot open relative uris so we convert them to absolute uris.
-    this._fixRelativeUris(articleContent);
-
-    // Remove classes.
-    this._cleanClasses(articleContent);
-  },
-
-  /**
-   * Iterates over a NodeList, calls `filterFn` for each node and removes node
-   * if function returned `true`.
-   *
-   * If function is not passed, removes all the nodes in node list.
-   *
-   * @param NodeList nodeList The nodes to operate on
-   * @param Function filterFn the function to use as a filter
-   * @return void
-   */
-  _removeNodes: function(nodeList, filterFn) {
-    for (var i = nodeList.length - 1; i >= 0; i--) {
-      var node = nodeList[i];
-      var parentNode = node.parentNode;
-      if (parentNode) {
-        if (!filterFn || filterFn.call(this, node, i, nodeList)) {
-          parentNode.removeChild(node);
-        }
-      }
-    }
-  },
-
-  /**
-   * Iterates over a NodeList, and calls _setNodeTag for each node.
-   *
-   * @param NodeList nodeList The nodes to operate on
-   * @param String newTagName the new tag name to use
-   * @return void
-   */
-  _replaceNodeTags: function(nodeList, newTagName) {
-    for (var i = nodeList.length - 1; i >= 0; i--) {
-      var node = nodeList[i];
-      this._setNodeTag(node, newTagName);
-    }
-  },
-
-  /**
-   * Iterate over a NodeList, which doesn't natively fully implement the Array
-   * interface.
-   *
-   * For convenience, the current object context is applied to the provided
-   * iterate function.
-   *
-   * @param  NodeList nodeList The NodeList.
-   * @param  Function fn       The iterate function.
-   * @return void
-   */
-  _forEachNode: function(nodeList, fn) {
-    Array.prototype.forEach.call(nodeList, fn, this);
-  },
-
-  /**
-   * Iterate over a NodeList, return true if any of the provided iterate
-   * function calls returns true, false otherwise.
-   *
-   * For convenience, the current object context is applied to the
-   * provided iterate function.
-   *
-   * @param  NodeList nodeList The NodeList.
-   * @param  Function fn       The iterate function.
-   * @return Boolean
-   */
-  _someNode: function(nodeList, fn) {
-    return Array.prototype.some.call(nodeList, fn, this);
-  },
-
-  /**
-   * Iterate over a NodeList, return true if all of the provided iterate
-   * function calls return true, false otherwise.
-   *
-   * For convenience, the current object context is applied to the
-   * provided iterate function.
-   *
-   * @param  NodeList nodeList The NodeList.
-   * @param  Function fn       The iterate function.
-   * @return Boolean
-   */
-  _everyNode: function(nodeList, fn) {
-    return Array.prototype.every.call(nodeList, fn, this);
-  },
-
-  /**
-   * Concat all nodelists passed as arguments.
-   *
-   * @return ...NodeList
-   * @return Array
-   */
-  _concatNodeLists: function() {
-    var slice = Array.prototype.slice;
-    var args = slice.call(arguments);
-    var nodeLists = args.map(function(list) {
-      return slice.call(list);
-    });
-    return Array.prototype.concat.apply([], nodeLists);
-  },
-
-  _getAllNodesWithTag: function(node, tagNames) {
-    if (node.querySelectorAll) {
-      return node.querySelectorAll(tagNames.join(","));
-    }
-    return [].concat.apply([], tagNames.map(function(tag) {
-      var collection = node.getElementsByTagName(tag);
-      return Array.isArray(collection) ? collection : Array.from(collection);
-    }));
-  },
-
-  /**
-   * Removes the class="" attribute from every element in the given
-   * subtree, except those that match CLASSES_TO_PRESERVE and
-   * the classesToPreserve array from the options object.
-   *
-   * @param Element
-   * @return void
-   */
-  _cleanClasses: function(node) {
-    var classesToPreserve = this._classesToPreserve;
-    var className = (node.getAttribute("class") || "")
-      .split(/\s+/)
-      .filter(function(cls) {
-        return classesToPreserve.indexOf(cls) != -1;
-      })
-      .join(" ");
-
-    if (className) {
-      node.setAttribute("class", className);
-    } else {
-      node.removeAttribute("class");
-    }
-
-    for (node = node.firstElementChild; node; node = node.nextElementSibling) {
-      this._cleanClasses(node);
-    }
-  },
-
-  /**
-   * Converts each <a> and <img> uri in the given element to an absolute URI,
-   * ignoring #ref URIs.
-   *
-   * @param Element
-   * @return void
-   */
-  _fixRelativeUris: function(articleContent) {
-    var baseURI = this._doc.baseURI;
-    var documentURI = this._doc.documentURI;
-    function toAbsoluteURI(uri) {
-      // Leave hash links alone if the base URI matches the document URI:
-      if (baseURI == documentURI && uri.charAt(0) == "#") {
-        return uri;
-      }
-      // Otherwise, resolve against base URI:
-      try {
-        return new URL(uri, baseURI).href;
-      } catch (ex) {
-        // Something went wrong, just return the original:
-      }
-      return uri;
-    }
-
-    var links = this._getAllNodesWithTag(articleContent, ["a"]);
-    this._forEachNode(links, function(link) {
-      var href = link.getAttribute("href");
-      if (href) {
-        // Replace links with javascript: URIs with text content, since
-        // they won't work after scripts have been removed from the page.
-        if (href.indexOf("javascript:") === 0) {
-          var text = this._doc.createTextNode(link.textContent);
-          link.parentNode.replaceChild(text, link);
-        } else {
-          link.setAttribute("href", toAbsoluteURI(href));
-        }
-      }
-    });
-
-    var imgs = this._getAllNodesWithTag(articleContent, ["img"]);
-    this._forEachNode(imgs, function(img) {
-      var src = img.getAttribute("src");
-      if (src) {
-        img.setAttribute("src", toAbsoluteURI(src));
-      }
-    });
-  },
-
-  /**
-   * Get the article title as an H1.
-   *
-   * @return void
-   **/
-  _getArticleTitle: function() {
-    var doc = this._doc;
-    var curTitle = "";
-    var origTitle = "";
-
-    try {
-      curTitle = origTitle = doc.title.trim();
-
-      // If they had an element with id "title" in their HTML
-      if (typeof curTitle !== "string")
-        curTitle = origTitle = this._getInnerText(doc.getElementsByTagName("title")[0]);
-    } catch (e) {/* ignore exceptions setting the title. */}
-
-    var titleHadHierarchicalSeparators = false;
-    function wordCount(str) {
-      return str.split(/\s+/).length;
-    }
-
-    // If there's a separator in the title, first remove the final part
-    if ((/ [\|\-\\\/>»] /).test(curTitle)) {
-      titleHadHierarchicalSeparators = / [\\\/>»] /.test(curTitle);
-      curTitle = origTitle.replace(/(.*)[\|\-\\\/>»] .*/gi, "$1");
-
-      // If the resulting title is too short (3 words or fewer), remove
-      // the first part instead:
-      if (wordCount(curTitle) < 3)
-        curTitle = origTitle.replace(/[^\|\-\\\/>»]*[\|\-\\\/>»](.*)/gi, "$1");
-    } else if (curTitle.indexOf(": ") !== -1) {
-      // Check if we have an heading containing this exact string, so we
-      // could assume it's the full title.
-      var headings = this._concatNodeLists(
-        doc.getElementsByTagName("h1"),
-        doc.getElementsByTagName("h2")
-      );
-      var trimmedTitle = curTitle.trim();
-      var match = this._someNode(headings, function(heading) {
-        return heading.textContent.trim() === trimmedTitle;
-      });
-
-      // If we don't, let's extract the title out of the original title string.
-      if (!match) {
-        curTitle = origTitle.substring(origTitle.lastIndexOf(":") + 1);
-
-        // If the title is now too short, try the first colon instead:
-        if (wordCount(curTitle) < 3) {
-          curTitle = origTitle.substring(origTitle.indexOf(":") + 1);
-          // But if we have too many words before the colon there's something weird
-          // with the titles and the H tags so let's just use the original title instead
-        } else if (wordCount(origTitle.substr(0, origTitle.indexOf(":"))) > 5) {
-          curTitle = origTitle;
-        }
-      }
-    } else if (curTitle.length > 150 || curTitle.length < 15) {
-      var hOnes = doc.getElementsByTagName("h1");
-
-      if (hOnes.length === 1)
-        curTitle = this._getInnerText(hOnes[0]);
-    }
-
-    curTitle = curTitle.trim().replace(this.REGEXPS.normalize, " ");
-    // If we now have 4 words or fewer as our title, and either no
-    // 'hierarchical' separators (\, /, > or ») were found in the original
-    // title or we decreased the number of words by more than 1 word, use
-    // the original title.
-    var curTitleWordCount = wordCount(curTitle);
-    if (curTitleWordCount <= 4 &&
-        (!titleHadHierarchicalSeparators ||
-         curTitleWordCount != wordCount(origTitle.replace(/[\|\-\\\/>»]+/g, "")) - 1)) {
-      curTitle = origTitle;
-    }
-
-    return curTitle;
-  },
-
-  /**
-   * Prepare the HTML document for readability to scrape it.
-   * This includes things like stripping javascript, CSS, and handling terrible markup.
-   *
-   * @return void
-   **/
-  _prepDocument: function() {
-    var doc = this._doc;
-
-    // Remove all style tags in head
-    this._removeNodes(doc.getElementsByTagName("style"));
-
-    if (doc.body) {
-      this._replaceBrs(doc.body);
-    }
-
-    this._replaceNodeTags(doc.getElementsByTagName("font"), "SPAN");
-  },
-
-  /**
-   * Finds the next element, starting from the given node, and ignoring
-   * whitespace in between. If the given node is an element, the same node is
-   * returned.
-   */
-  _nextElement: function (node) {
-    var next = node;
-    while (next
-        && (next.nodeType != this.ELEMENT_NODE)
-        && this.REGEXPS.whitespace.test(next.textContent)) {
-      next = next.nextSibling;
-    }
-    return next;
-  },
-
-  /**
-   * Replaces 2 or more successive <br> elements with a single <p>.
-   * Whitespace between <br> elements are ignored. For example:
-   *   <div>foo<br>bar<br> <br><br>abc</div>
-   * will become:
-   *   <div>foo<br>bar<p>abc</p></div>
-   */
-  _replaceBrs: function (elem) {
-    this._forEachNode(this._getAllNodesWithTag(elem, ["br"]), function(br) {
-      var next = br.nextSibling;
-
-      // Whether 2 or more <br> elements have been found and replaced with a
-      // <p> block.
-      var replaced = false;
-
-      // If we find a <br> chain, remove the <br>s until we hit another element
-      // or non-whitespace. This leaves behind the first <br> in the chain
-      // (which will be replaced with a <p> later).
-      while ((next = this._nextElement(next)) && (next.tagName == "BR")) {
-        replaced = true;
-        var brSibling = next.nextSibling;
-        next.parentNode.removeChild(next);
-        next = brSibling;
-      }
-
-      // If we removed a <br> chain, replace the remaining <br> with a <p>. Add
-      // all sibling nodes as children of the <p> until we hit another <br>
-      // chain.
-      if (replaced) {
-        var p = this._doc.createElement("p");
-        br.parentNode.replaceChild(p, br);
-
-        next = p.nextSibling;
-        while (next) {
-          // If we've hit another <br><br>, we're done adding children to this <p>.
-          if (next.tagName == "BR") {
-            var nextElem = this._nextElement(next.nextSibling);
-            if (nextElem && nextElem.tagName == "BR")
-              break;
-          }
-
-          if (!this._isPhrasingContent(next))
-            break;
-
-          // Otherwise, make this node a child of the new <p>.
-          var sibling = next.nextSibling;
-          p.appendChild(next);
-          next = sibling;
-        }
-
-        while (p.lastChild && this._isWhitespace(p.lastChild)) {
-          p.removeChild(p.lastChild);
-        }
-
-        if (p.parentNode.tagName === "P")
-          this._setNodeTag(p.parentNode, "DIV");
-      }
-    });
-  },
-
-  _setNodeTag: function (node, tag) {
-    this.log("_setNodeTag", node, tag);
-    if (node.__JSDOMParser__) {
-      node.localName = tag.toLowerCase();
-      node.tagName = tag.toUpperCase();
-      return node;
-    }
-
-    var replacement = node.ownerDocument.createElement(tag);
-    while (node.firstChild) {
-      replacement.appendChild(node.firstChild);
-    }
-    node.parentNode.replaceChild(replacement, node);
-    if (node.readability)
-      replacement.readability = node.readability;
-
-    for (var i = 0; i < node.attributes.length; i++) {
-      try {
-        replacement.setAttribute(node.attributes[i].name, node.attributes[i].value);
-      } catch (ex) {
-        /* it's possible for setAttribute() to throw if the attribute name
-         * isn't a valid XML Name. Such attributes can however be parsed from
-         * source in HTML docs, see https://github.com/whatwg/html/issues/4275,
-         * so we can hit them here and then throw. We don't care about such
-         * attributes so we ignore them.
-         */
-      }
-    }
-    return replacement;
-  },
-
-  /**
-   * Prepare the article node for display. Clean out any inline styles,
-   * iframes, forms, strip extraneous <p> tags, etc.
-   *
-   * @param Element
-   * @return void
-   **/
-  _prepArticle: function(articleContent) {
-    this._cleanStyles(articleContent);
-
-    // Check for data tables before we continue, to avoid removing items in
-    // those tables, which will often be isolated even though they're
-    // visually linked to other content-ful elements (text, images, etc.).
-    this._markDataTables(articleContent);
-
-    // Clean out junk from the article content
-    this._cleanConditionally(articleContent, "form");
-    this._cleanConditionally(articleContent, "fieldset");
-    this._clean(articleContent, "object");
-    this._clean(articleContent, "embed");
-    this._clean(articleContent, "h1");
-    this._clean(articleContent, "footer");
-    this._clean(articleContent, "link");
-    this._clean(articleContent, "aside");
-
-    // Clean out elements with little content that have "share" in their id/class combinations from final top candidates,
-    // which means we don't remove the top candidates even they have "share".
-
-    var shareElementThreshold = this.DEFAULT_CHAR_THRESHOLD;
-
-    this._forEachNode(articleContent.children, function (topCandidate) {
-      this._cleanMatchedNodes(topCandidate, function (node, matchString) {
-        return /share/.test(matchString) && node.textContent.length < shareElementThreshold;
-      });
-    });
-
-    // If there is only one h2 and its text content substantially equals article title,
-    // they are probably using it as a header and not a subheader,
-    // so remove it since we already extract the title separately.
-    var h2 = articleContent.getElementsByTagName("h2");
-    if (h2.length === 1) {
-      var lengthSimilarRate = (h2[0].textContent.length - this._articleTitle.length) / this._articleTitle.length;
-      if (Math.abs(lengthSimilarRate) < 0.5) {
-        var titlesMatch = false;
-        if (lengthSimilarRate > 0) {
-          titlesMatch = h2[0].textContent.includes(this._articleTitle);
-        } else {
-          titlesMatch = this._articleTitle.includes(h2[0].textContent);
-        }
-        if (titlesMatch) {
-          this._clean(articleContent, "h2");
-        }
-      }
-    }
-
-    this._clean(articleContent, "iframe");
-    this._clean(articleContent, "input");
-    this._clean(articleContent, "textarea");
-    this._clean(articleContent, "select");
-    this._clean(articleContent, "button");
-    this._cleanHeaders(articleContent);
-
-    // Do these last as the previous stuff may have removed junk
-    // that will affect these
-    this._cleanConditionally(articleContent, "table");
-    this._cleanConditionally(articleContent, "ul");
-    this._cleanConditionally(articleContent, "div");
-
-    // Remove extra paragraphs
-    this._removeNodes(articleContent.getElementsByTagName("p"), function (paragraph) {
-      var imgCount = paragraph.getElementsByTagName("img").length;
-      var embedCount = paragraph.getElementsByTagName("embed").length;
-      var objectCount = paragraph.getElementsByTagName("object").length;
-      // At this point, nasty iframes have been removed, only remain embedded video ones.
-      var iframeCount = paragraph.getElementsByTagName("iframe").length;
-      var totalCount = imgCount + embedCount + objectCount + iframeCount;
-
-      return totalCount === 0 && !this._getInnerText(paragraph, false);
-    });
-
-    this._forEachNode(this._getAllNodesWithTag(articleContent, ["br"]), function(br) {
-      var next = this._nextElement(br.nextSibling);
-      if (next && next.tagName == "P")
-        br.parentNode.removeChild(br);
-    });
-
-    // Remove single-cell tables
-    this._forEachNode(this._getAllNodesWithTag(articleContent, ["table"]), function(table) {
-      var tbody = this._hasSingleTagInsideElement(table, "TBODY") ? table.firstElementChild : table;
-      if (this._hasSingleTagInsideElement(tbody, "TR")) {
-        var row = tbody.firstElementChild;
-        if (this._hasSingleTagInsideElement(row, "TD")) {
-          var cell = row.firstElementChild;
-          cell = this._setNodeTag(cell, this._everyNode(cell.childNodes, this._isPhrasingContent) ? "P" : "DIV");
-          table.parentNode.replaceChild(cell, table);
-        }
-      }
-    });
-  },
-
-  /**
-   * Initialize a node with the readability object. Also checks the
-   * className/id for special names to add to its score.
-   *
-   * @param Element
-   * @return void
-  **/
-  _initializeNode: function(node) {
-    node.readability = {"contentScore": 0};
-
-    switch (node.tagName) {
-      case "DIV":
-        node.readability.contentScore += 5;
-        break;
-
-      case "PRE":
-      case "TD":
-      case "BLOCKQUOTE":
-        node.readability.contentScore += 3;
-        break;
-
-      case "ADDRESS":
-      case "OL":
-      case "UL":
-      case "DL":
-      case "DD":
-      case "DT":
-      case "LI":
-      case "FORM":
-        node.readability.contentScore -= 3;
-        break;
-
-      case "H1":
-      case "H2":
-      case "H3":
-      case "H4":
-      case "H5":
-      case "H6":
-      case "TH":
-        node.readability.contentScore -= 5;
-        break;
-    }
-
-    node.readability.contentScore += this._getClassWeight(node);
-  },
-
-  _removeAndGetNext: function(node) {
-    var nextNode = this._getNextNode(node, true);
-    node.parentNode.removeChild(node);
-    return nextNode;
-  },
-
-  /**
-   * Traverse the DOM from node to node, starting at the node passed in.
-   * Pass true for the second parameter to indicate this node itself
-   * (and its kids) are going away, and we want the next node over.
-   *
-   * Calling this in a loop will traverse the DOM depth-first.
-   */
-  _getNextNode: function(node, ignoreSelfAndKids) {
-    // First check for kids if those aren't being ignored
-    if (!ignoreSelfAndKids && node.firstElementChild) {
-      return node.firstElementChild;
-    }
-    // Then for siblings...
-    if (node.nextElementSibling) {
-      return node.nextElementSibling;
-    }
-    // And finally, move up the parent chain *and* find a sibling
-    // (because this is depth-first traversal, we will have already
-    // seen the parent nodes themselves).
-    do {
-      node = node.parentNode;
-    } while (node && !node.nextElementSibling);
-    return node && node.nextElementSibling;
-  },
-
-  _checkByline: function(node, matchString) {
-    if (this._articleByline) {
-      return false;
-    }
-
-    if (node.getAttribute !== undefined) {
-      var rel = node.getAttribute("rel");
-      var itemprop = node.getAttribute("itemprop");
-    }
-
-    if ((rel === "author" || (itemprop && itemprop.indexOf("author") !== -1) || this.REGEXPS.byline.test(matchString)) && this._isValidByline(node.textContent)) {
-      this._articleByline = node.textContent.trim();
-      return true;
-    }
-
-    return false;
-  },
-
-  _getNodeAncestors: function(node, maxDepth) {
-    maxDepth = maxDepth || 0;
-    var i = 0, ancestors = [];
-    while (node.parentNode) {
-      ancestors.push(node.parentNode);
-      if (maxDepth && ++i === maxDepth)
-        break;
-      node = node.parentNode;
-    }
-    return ancestors;
-  },
-
-  /***
-   * grabArticle - Using a variety of metrics (content score, classname, element types), find the content that is
-   *         most likely to be the stuff a user wants to read. Then return it wrapped up in a div.
-   *
-   * @param page a document to run upon. Needs to be a full document, complete with body.
-   * @return Element
-  **/
-  _grabArticle: function (page) {
-    this.log("**** grabArticle ****");
-    var doc = this._doc;
-    var isPaging = (page !== null ? true: false);
-    page = page ? page : this._doc.body;
-
-    // We can't grab an article if we don't have a page!
-    if (!page) {
-      this.log("No body found in document. Abort.");
-      return null;
-    }
-
-    var pageCacheHtml = page.innerHTML;
-
-    while (true) {
-      var stripUnlikelyCandidates = this._flagIsActive(this.FLAG_STRIP_UNLIKELYS);
-
-      // First, node prepping. Trash nodes that look cruddy (like ones with the
-      // class name "comment", etc), and turn divs into P tags where they have been
-      // used inappropriately (as in, where they contain no other block level elements.)
-      var elementsToScore = [];
-      var node = this._doc.documentElement;
-
-      while (node) {
-        var matchString = node.className + " " + node.id;
-
-        if (!this._isProbablyVisible(node)) {
-          this.log("Removing hidden node - " + matchString);
-          node = this._removeAndGetNext(node);
-          continue;
-        }
-
-        // Check to see if this node is a byline, and remove it if it is.
-        if (this._checkByline(node, matchString)) {
-          node = this._removeAndGetNext(node);
-          continue;
-        }
-
-        // Remove unlikely candidates
-        if (stripUnlikelyCandidates) {
-          if (this.REGEXPS.unlikelyCandidates.test(matchString) &&
-              !this.REGEXPS.okMaybeItsACandidate.test(matchString) &&
-              !this._hasAncestorTag(node, "table") &&
-              node.tagName !== "BODY" &&
-              node.tagName !== "A") {
-            this.log("Removing unlikely candidate - " + matchString);
-            node = this._removeAndGetNext(node);
-            continue;
-          }
-        }
-
-        // Remove DIV, SECTION, and HEADER nodes without any content(e.g. text, image, video, or iframe).
-        if ((node.tagName === "DIV" || node.tagName === "SECTION" || node.tagName === "HEADER" ||
-             node.tagName === "H1" || node.tagName === "H2" || node.tagName === "H3" ||
-             node.tagName === "H4" || node.tagName === "H5" || node.tagName === "H6") &&
-            this._isElementWithoutContent(node)) {
-          node = this._removeAndGetNext(node);
-          continue;
-        }
-
-        if (this.DEFAULT_TAGS_TO_SCORE.indexOf(node.tagName) !== -1) {
-          elementsToScore.push(node);
-        }
-
-        // Turn all divs that don't have children block level elements into p's
-        if (node.tagName === "DIV") {
-          // Put phrasing content into paragraphs.
-          var p = null;
-          var childNode = node.firstChild;
-          while (childNode) {
-            var nextSibling = childNode.nextSibling;
-            if (this._isPhrasingContent(childNode)) {
-              if (p !== null) {
-                p.appendChild(childNode);
-              } else if (!this._isWhitespace(childNode)) {
-                p = doc.createElement("p");
-                node.replaceChild(p, childNode);
-                p.appendChild(childNode);
-              }
-            } else if (p !== null) {
-              while (p.lastChild && this._isWhitespace(p.lastChild)) {
-                p.removeChild(p.lastChild);
-              }
-              p = null;
-            }
-            childNode = nextSibling;
-          }
-
-          // Sites like http://mobile.slate.com encloses each paragraph with a DIV
-          // element. DIVs with only a P element inside and no text content can be
-          // safely converted into plain P elements to avoid confusing the scoring
-          // algorithm with DIVs with are, in practice, paragraphs.
-          if (this._hasSingleTagInsideElement(node, "P") && this._getLinkDensity(node) < 0.25) {
-            var newNode = node.children[0];
-            node.parentNode.replaceChild(newNode, node);
-            node = newNode;
-            elementsToScore.push(node);
-          } else if (!this._hasChildBlockElement(node)) {
-            node = this._setNodeTag(node, "P");
-            elementsToScore.push(node);
-          }
-        }
-        node = this._getNextNode(node);
-      }
-
-      /**
-       * Loop through all paragraphs, and assign a score to them based on how content-y they look.
-       * Then add their score to their parent node.
-       *
-       * A score is determined by things like number of commas, class names, etc. Maybe eventually link density.
-      **/
-      var candidates = [];
-      this._forEachNode(elementsToScore, function(elementToScore) {
-        if (!elementToScore.parentNode || typeof(elementToScore.parentNode.tagName) === "undefined")
-          return;
-
-        // If this paragraph is less than 25 characters, don't even count it.
-        var innerText = this._getInnerText(elementToScore);
-        if (innerText.length < 25)
-          return;
-
-        // Exclude nodes with no ancestor.
-        var ancestors = this._getNodeAncestors(elementToScore, 3);
-        if (ancestors.length === 0)
-          return;
-
-        var contentScore = 0;
-
-        // Add a point for the paragraph itself as a base.
-        contentScore += 1;
-
-        // Add points for any commas within this paragraph.
-        contentScore += innerText.split(",").length;
-
-        // For every 100 characters in this paragraph, add another point. Up to 3 points.
-        contentScore += Math.min(Math.floor(innerText.length / 100), 3);
-
-        // Initialize and score ancestors.
-        this._forEachNode(ancestors, function(ancestor, level) {
-          if (!ancestor.tagName || !ancestor.parentNode || typeof(ancestor.parentNode.tagName) === "undefined")
-            return;
-
-          if (typeof(ancestor.readability) === "undefined") {
-            this._initializeNode(ancestor);
-            candidates.push(ancestor);
-          }
-
-          // Node score divider:
-          // - parent:             1 (no division)
-          // - grandparent:        2
-          // - great grandparent+: ancestor level * 3
-          if (level === 0)
-            var scoreDivider = 1;
-          else if (level === 1)
-            scoreDivider = 2;
-          else
-            scoreDivider = level * 3;
-          ancestor.readability.contentScore += contentScore / scoreDivider;
-        });
-      });
-
-      // After we've calculated scores, loop through all of the possible
-      // candidate nodes we found and find the one with the highest score.
-      var topCandidates = [];
-      for (var c = 0, cl = candidates.length; c < cl; c += 1) {
-        var candidate = candidates[c];
-
-        // Scale the final candidates score based on link density. Good content
-        // should have a relatively small link density (5% or less) and be mostly
-        // unaffected by this operation.
-        var candidateScore = candidate.readability.contentScore * (1 - this._getLinkDensity(candidate));
-        candidate.readability.contentScore = candidateScore;
-
-        this.log("Candidate:", candidate, "with score " + candidateScore);
-
-        for (var t = 0; t < this._nbTopCandidates; t++) {
-          var aTopCandidate = topCandidates[t];
-
-          if (!aTopCandidate || candidateScore > aTopCandidate.readability.contentScore) {
-            topCandidates.splice(t, 0, candidate);
-            if (topCandidates.length > this._nbTopCandidates)
-              topCandidates.pop();
-            break;
-          }
-        }
-      }
-
-      var topCandidate = topCandidates[0] || null;
-      var neededToCreateTopCandidate = false;
-      var parentOfTopCandidate;
-
-      // If we still have no top candidate, just use the body as a last resort.
-      // We also have to copy the body node so it is something we can modify.
-      if (topCandidate === null || topCandidate.tagName === "BODY") {
-        // Move all of the page's children into topCandidate
-        topCandidate = doc.createElement("DIV");
-        neededToCreateTopCandidate = true;
-        // Move everything (not just elements, also text nodes etc.) into the container
-        // so we even include text directly in the body:
-        var kids = page.childNodes;
-        while (kids.length) {
-          this.log("Moving child out:", kids[0]);
-          topCandidate.appendChild(kids[0]);
-        }
-
-        page.appendChild(topCandidate);
-
-        this._initializeNode(topCandidate);
-      } else if (topCandidate) {
-        // Find a better top candidate node if it contains (at least three) nodes which belong to `topCandidates` array
-        // and whose scores are quite closed with current `topCandidate` node.
-        var alternativeCandidateAncestors = [];
-        for (var i = 1; i < topCandidates.length; i++) {
-          if (topCandidates[i].readability.contentScore / topCandidate.readability.contentScore >= 0.75) {
-            alternativeCandidateAncestors.push(this._getNodeAncestors(topCandidates[i]));
-          }
-        }
-        var MINIMUM_TOPCANDIDATES = 3;
-        if (alternativeCandidateAncestors.length >= MINIMUM_TOPCANDIDATES) {
-          parentOfTopCandidate = topCandidate.parentNode;
-          while (parentOfTopCandidate.tagName !== "BODY") {
-            var listsContainingThisAncestor = 0;
-            for (var ancestorIndex = 0; ancestorIndex < alternativeCandidateAncestors.length && listsContainingThisAncestor < MINIMUM_TOPCANDIDATES; ancestorIndex++) {
-              listsContainingThisAncestor += Number(alternativeCandidateAncestors[ancestorIndex].includes(parentOfTopCandidate));
-            }
-            if (listsContainingThisAncestor >= MINIMUM_TOPCANDIDATES) {
-              topCandidate = parentOfTopCandidate;
-              break;
-            }
-            parentOfTopCandidate = parentOfTopCandidate.parentNode;
-          }
-        }
-        if (!topCandidate.readability) {
-          this._initializeNode(topCandidate);
-        }
-
-        // Because of our bonus system, parents of candidates might have scores
-        // themselves. They get half of the node. There won't be nodes with higher
-        // scores than our topCandidate, but if we see the score going *up* in the first
-        // few steps up the tree, that's a decent sign that there might be more content
-        // lurking in other places that we want to unify in. The sibling stuff
-        // below does some of that - but only if we've looked high enough up the DOM
-        // tree.
-        parentOfTopCandidate = topCandidate.parentNode;
-        var lastScore = topCandidate.readability.contentScore;
-        // The scores shouldn't get too low.
-        var scoreThreshold = lastScore / 3;
-        while (parentOfTopCandidate.tagName !== "BODY") {
-          if (!parentOfTopCandidate.readability) {
-            parentOfTopCandidate = parentOfTopCandidate.parentNode;
-            continue;
-          }
-          var parentScore = parentOfTopCandidate.readability.contentScore;
-          if (parentScore < scoreThreshold)
-            break;
-          if (parentScore > lastScore) {
-            // Alright! We found a better parent to use.
-            topCandidate = parentOfTopCandidate;
-            break;
-          }
-          lastScore = parentOfTopCandidate.readability.contentScore;
-          parentOfTopCandidate = parentOfTopCandidate.parentNode;
-        }
-
-        // If the top candidate is the only child, use parent instead. This will help sibling
-        // joining logic when adjacent content is actually located in parent's sibling node.
-        parentOfTopCandidate = topCandidate.parentNode;
-        while (parentOfTopCandidate.tagName != "BODY" && parentOfTopCandidate.children.length == 1) {
-          topCandidate = parentOfTopCandidate;
-          parentOfTopCandidate = topCandidate.parentNode;
-        }
-        if (!topCandidate.readability) {
-          this._initializeNode(topCandidate);
-        }
-      }
-
-      // Now that we have the top candidate, look through its siblings for content
-      // that might also be related. Things like preambles, content split by ads
-      // that we removed, etc.
-      var articleContent = doc.createElement("DIV");
-      if (isPaging)
-        articleContent.id = "readability-content";
-
-      var siblingScoreThreshold = Math.max(10, topCandidate.readability.contentScore * 0.2);
-      // Keep potential top candidate's parent node to try to get text direction of it later.
-      parentOfTopCandidate = topCandidate.parentNode;
-      var siblings = parentOfTopCandidate.children;
-
-      for (var s = 0, sl = siblings.length; s < sl; s++) {
-        var sibling = siblings[s];
-        var append = false;
-
-        this.log("Looking at sibling node:", sibling, sibling.readability ? ("with score " + sibling.readability.contentScore) : "");
-        this.log("Sibling has score", sibling.readability ? sibling.readability.contentScore : "Unknown");
-
-        if (sibling === topCandidate) {
-          append = true;
-        } else {
-          var contentBonus = 0;
-
-          // Give a bonus if sibling nodes and top candidates have the example same classname
-          if (sibling.className === topCandidate.className && topCandidate.className !== "")
-            contentBonus += topCandidate.readability.contentScore * 0.2;
-
-          if (sibling.readability &&
-              ((sibling.readability.contentScore + contentBonus) >= siblingScoreThreshold)) {
-            append = true;
-          } else if (sibling.nodeName === "P") {
-            var linkDensity = this._getLinkDensity(sibling);
-            var nodeContent = this._getInnerText(sibling);
-            var nodeLength = nodeContent.length;
-
-            if (nodeLength > 80 && linkDensity < 0.25) {
-              append = true;
-            } else if (nodeLength < 80 && nodeLength > 0 && linkDensity === 0 &&
-                       nodeContent.search(/\.( |$)/) !== -1) {
-              append = true;
-            }
-          }
-        }
-
-        if (append) {
-          this.log("Appending node:", sibling);
-
-          if (this.ALTER_TO_DIV_EXCEPTIONS.indexOf(sibling.nodeName) === -1) {
-            // We have a node that isn't a common block level element, like a form or td tag.
-            // Turn it into a div so it doesn't get filtered out later by accident.
-            this.log("Altering sibling:", sibling, "to div.");
-
-            sibling = this._setNodeTag(sibling, "DIV");
-          }
-
-          articleContent.appendChild(sibling);
-          // siblings is a reference to the children array, and
-          // sibling is removed from the array when we call appendChild().
-          // As a result, we must revisit this index since the nodes
-          // have been shifted.
-          s -= 1;
-          sl -= 1;
-        }
-      }
-
-      if (this._debug)
-        this.log("Article content pre-prep: " + articleContent.innerHTML);
-      // So we have all of the content that we need. Now we clean it up for presentation.
-      this._prepArticle(articleContent);
-      if (this._debug)
-        this.log("Article content post-prep: " + articleContent.innerHTML);
-
-      if (neededToCreateTopCandidate) {
-        // We already created a fake div thing, and there wouldn't have been any siblings left
-        // for the previous loop, so there's no point trying to create a new div, and then
-        // move all the children over. Just assign IDs and class names here. No need to append
-        // because that already happened anyway.
-        topCandidate.id = "readability-page-1";
-        topCandidate.className = "page";
-      } else {
-        var div = doc.createElement("DIV");
-        div.id = "readability-page-1";
-        div.className = "page";
-        var children = articleContent.childNodes;
-        while (children.length) {
-          div.appendChild(children[0]);
-        }
-        articleContent.appendChild(div);
-      }
-
-      if (this._debug)
-        this.log("Article content after paging: " + articleContent.innerHTML);
-
-      var parseSuccessful = true;
-
-      // Now that we've gone through the full algorithm, check to see if
-      // we got any meaningful content. If we didn't, we may need to re-run
-      // grabArticle with different flags set. This gives us a higher likelihood of
-      // finding the content, and the sieve approach gives us a higher likelihood of
-      // finding the -right- content.
-      var textLength = this._getInnerText(articleContent, true).length;
-      if (textLength < this._charThreshold) {
-        parseSuccessful = false;
-        page.innerHTML = pageCacheHtml;
-
-        if (this._flagIsActive(this.FLAG_STRIP_UNLIKELYS)) {
-          this._removeFlag(this.FLAG_STRIP_UNLIKELYS);
-          this._attempts.push({articleContent: articleContent, textLength: textLength});
-        } else if (this._flagIsActive(this.FLAG_WEIGHT_CLASSES)) {
-          this._removeFlag(this.FLAG_WEIGHT_CLASSES);
-          this._attempts.push({articleContent: articleContent, textLength: textLength});
-        } else if (this._flagIsActive(this.FLAG_CLEAN_CONDITIONALLY)) {
-          this._removeFlag(this.FLAG_CLEAN_CONDITIONALLY);
-          this._attempts.push({articleContent: articleContent, textLength: textLength});
-        } else {
-          this._attempts.push({articleContent: articleContent, textLength: textLength});
-          // No luck after removing flags, just return the longest text we found during the different loops
-          this._attempts.sort(function (a, b) {
-            return b.textLength - a.textLength;
-          });
-
-          // But first check if we actually have something
-          if (!this._attempts[0].textLength) {
-            return null;
-          }
-
-          articleContent = this._attempts[0].articleContent;
-          parseSuccessful = true;
-        }
-      }
-
-      if (parseSuccessful) {
-        // Find out text direction from ancestors of final top candidate.
-        var ancestors = [parentOfTopCandidate, topCandidate].concat(this._getNodeAncestors(parentOfTopCandidate));
-        this._someNode(ancestors, function(ancestor) {
-          if (!ancestor.tagName)
-            return false;
-          var articleDir = ancestor.getAttribute("dir");
-          if (articleDir) {
-            this._articleDir = articleDir;
-            return true;
-          }
-          return false;
-        });
-        return articleContent;
-      }
-    }
-  },
-
-  /**
-   * Check whether the input string could be a byline.
-   * This verifies that the input is a string, and that the length
-   * is less than 100 chars.
-   *
-   * @param possibleByline {string} - a string to check whether its a byline.
-   * @return Boolean - whether the input string is a byline.
-   */
-  _isValidByline: function(byline) {
-    if (typeof byline == "string" || byline instanceof String) {
-      byline = byline.trim();
-      return (byline.length > 0) && (byline.length < 100);
-    }
-    return false;
-  },
-
-  /**
-   * Attempts to get excerpt and byline metadata for the article.
-   *
-   * @return Object with optional "excerpt" and "byline" properties
-   */
-  _getArticleMetadata: function() {
-    var metadata = {};
-    var values = {};
-    var metaElements = this._doc.getElementsByTagName("meta");
-
-    // property is a space-separated list of values
-    var propertyPattern = /\s*(dc|dcterm|og|twitter)\s*:\s*(author|creator|description|title|site_name)\s*/gi;
-
-    // name is a single value
-    var namePattern = /^\s*(?:(dc|dcterm|og|twitter|weibo:(article|webpage))\s*[\.:]\s*)?(author|creator|description|title|site_name)\s*$/i;
-
-    // Find description tags.
-    this._forEachNode(metaElements, function(element) {
-      var elementName = element.getAttribute("name");
-      var elementProperty = element.getAttribute("property");
-      var content = element.getAttribute("content");
-      if (!content) {
-        return;
-      }
-      var matches = null;
-      var name = null;
-
-      if (elementProperty) {
-        matches = elementProperty.match(propertyPattern);
-        if (matches) {
-          for (var i = matches.length - 1; i >= 0; i--) {
-            // Convert to lowercase, and remove any whitespace
-            // so we can match below.
-            name = matches[i].toLowerCase().replace(/\s/g, "");
-            // multiple authors
-            values[name] = content.trim();
-          }
-        }
-      }
-      if (!matches && elementName && namePattern.test(elementName)) {
-        name = elementName;
-        if (content) {
-          // Convert to lowercase, remove any whitespace, and convert dots
-          // to colons so we can match below.
-          name = name.toLowerCase().replace(/\s/g, "").replace(/\./g, ":");
-          values[name] = content.trim();
-        }
-      }
-    });
-
-    // get title
-    metadata.title = values["dc:title"] ||
-                     values["dcterm:title"] ||
-                     values["og:title"] ||
-                     values["weibo:article:title"] ||
-                     values["weibo:webpage:title"] ||
-                     values["title"] ||
-                     values["twitter:title"];
-
-    if (!metadata.title) {
-      metadata.title = this._getArticleTitle();
-    }
-
-    // get author
-    metadata.byline = values["dc:creator"] ||
-                      values["dcterm:creator"] ||
-                      values["author"];
-
-    // get description
-    metadata.excerpt = values["dc:description"] ||
-                       values["dcterm:description"] ||
-                       values["og:description"] ||
-                       values["weibo:article:description"] ||
-                       values["weibo:webpage:description"] ||
-                       values["description"] ||
-                       values["twitter:description"];
-
-    // get site name
-    metadata.siteName = values["og:site_name"];
-
-    return metadata;
-  },
-
-  /**
-   * Removes script tags from the document.
-   *
-   * @param Element
-  **/
-  _removeScripts: function(doc) {
-    this._removeNodes(doc.getElementsByTagName("script"), function(scriptNode) {
-      scriptNode.nodeValue = "";
-      scriptNode.removeAttribute("src");
-      return true;
-    });
-    this._removeNodes(doc.getElementsByTagName("noscript"));
-  },
-
-  /**
-   * Check if this node has only whitespace and a single element with given tag
-   * Returns false if the DIV node contains non-empty text nodes
-   * or if it contains no element with given tag or more than 1 element.
-   *
-   * @param Element
-   * @param string tag of child element
-  **/
-  _hasSingleTagInsideElement: function(element, tag) {
-    // There should be exactly 1 element child with given tag
-    if (element.children.length != 1 || element.children[0].tagName !== tag) {
-      return false;
-    }
-
-    // And there should be no text nodes with real content
-    return !this._someNode(element.childNodes, function(node) {
-      return node.nodeType === this.TEXT_NODE &&
-             this.REGEXPS.hasContent.test(node.textContent);
-    });
-  },
-
-  _isElementWithoutContent: function(node) {
-    return node.nodeType === this.ELEMENT_NODE &&
-      node.textContent.trim().length == 0 &&
-      (node.children.length == 0 ||
-       node.children.length == node.getElementsByTagName("br").length + node.getElementsByTagName("hr").length);
-  },
-
-  /**
-   * Determine whether element has any children block level elements.
-   *
-   * @param Element
-   */
-  _hasChildBlockElement: function (element) {
-    return this._someNode(element.childNodes, function(node) {
-      return this.DIV_TO_P_ELEMS.indexOf(node.tagName) !== -1 ||
-             this._hasChildBlockElement(node);
-    });
-  },
-
-  /***
-   * Determine if a node qualifies as phrasing content.
-   * https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Content_categories#Phrasing_content
-  **/
-  _isPhrasingContent: function(node) {
-    return node.nodeType === this.TEXT_NODE || this.PHRASING_ELEMS.indexOf(node.tagName) !== -1 ||
-      ((node.tagName === "A" || node.tagName === "DEL" || node.tagName === "INS") &&
-        this._everyNode(node.childNodes, this._isPhrasingContent));
-  },
-
-  _isWhitespace: function(node) {
-    return (node.nodeType === this.TEXT_NODE && node.textContent.trim().length === 0) ||
-           (node.nodeType === this.ELEMENT_NODE && node.tagName === "BR");
-  },
-
-  /**
-   * Get the inner text of a node - cross browser compatibly.
-   * This also strips out any excess whitespace to be found.
-   *
-   * @param Element
-   * @param Boolean normalizeSpaces (default: true)
-   * @return string
-  **/
-  _getInnerText: function(e, normalizeSpaces) {
-    normalizeSpaces = (typeof normalizeSpaces === "undefined") ? true : normalizeSpaces;
-    var textContent = e.textContent.trim();
-
-    if (normalizeSpaces) {
-      return textContent.replace(this.REGEXPS.normalize, " ");
-    }
-    return textContent;
-  },
-
-  /**
-   * Get the number of times a string s appears in the node e.
-   *
-   * @param Element
-   * @param string - what to split on. Default is ","
-   * @return number (integer)
-  **/
-  _getCharCount: function(e, s) {
-    s = s || ",";
-    return this._getInnerText(e).split(s).length - 1;
-  },
-
-  /**
-   * Remove the style attribute on every e and under.
-   * TODO: Test if getElementsByTagName(*) is faster.
-   *
-   * @param Element
-   * @return void
-  **/
-  _cleanStyles: function(e) {
-    if (!e || e.tagName.toLowerCase() === "svg")
-      return;
-
-    // Remove `style` and deprecated presentational attributes
-    for (var i = 0; i < this.PRESENTATIONAL_ATTRIBUTES.length; i++) {
-      e.removeAttribute(this.PRESENTATIONAL_ATTRIBUTES[i]);
-    }
-
-    if (this.DEPRECATED_SIZE_ATTRIBUTE_ELEMS.indexOf(e.tagName) !== -1) {
-      e.removeAttribute("width");
-      e.removeAttribute("height");
-    }
-
-    var cur = e.firstElementChild;
-    while (cur !== null) {
-      this._cleanStyles(cur);
-      cur = cur.nextElementSibling;
-    }
-  },
-
-  /**
-   * Get the density of links as a percentage of the content
-   * This is the amount of text that is inside a link divided by the total text in the node.
-   *
-   * @param Element
-   * @return number (float)
-  **/
-  _getLinkDensity: function(element) {
-    var textLength = this._getInnerText(element).length;
-    if (textLength === 0)
-      return 0;
-
-    var linkLength = 0;
-
-    // XXX implement _reduceNodeList?
-    this._forEachNode(element.getElementsByTagName("a"), function(linkNode) {
-      linkLength += this._getInnerText(linkNode).length;
-    });
-
-    return linkLength / textLength;
-  },
-
-  /**
-   * Get an elements class/id weight. Uses regular expressions to tell if this
-   * element looks good or bad.
-   *
-   * @param Element
-   * @return number (Integer)
-  **/
-  _getClassWeight: function(e) {
-    if (!this._flagIsActive(this.FLAG_WEIGHT_CLASSES))
-      return 0;
-
-    var weight = 0;
-
-    // Look for a special classname
-    if (typeof(e.className) === "string" && e.className !== "") {
-      if (this.REGEXPS.negative.test(e.className))
-        weight -= 25;
-
-      if (this.REGEXPS.positive.test(e.className))
-        weight += 25;
-    }
-
-    // Look for a special ID
-    if (typeof(e.id) === "string" && e.id !== "") {
-      if (this.REGEXPS.negative.test(e.id))
-        weight -= 25;
-
-      if (this.REGEXPS.positive.test(e.id))
-        weight += 25;
-    }
-
-    return weight;
-  },
-
-  /**
-   * Clean a node of all elements of type "tag".
-   * (Unless it's a youtube/vimeo video. People love movies.)
-   *
-   * @param Element
-   * @param string tag to clean
-   * @return void
-   **/
-  _clean: function(e, tag) {
-    var isEmbed = ["object", "embed", "iframe"].indexOf(tag) !== -1;
-
-    this._removeNodes(e.getElementsByTagName(tag), function(element) {
-      // Allow youtube and vimeo videos through as people usually want to see those.
-      if (isEmbed) {
-        // First, check the elements attributes to see if any of them contain youtube or vimeo
-        for (var i = 0; i < element.attributes.length; i++) {
-          if (this.REGEXPS.videos.test(element.attributes[i].value)) {
-            return false;
-          }
-        }
-
-        // For embed with <object> tag, check inner HTML as well.
-        if (element.tagName === "object" && this.REGEXPS.videos.test(element.innerHTML)) {
-          return false;
-        }
-      }
-
-      return true;
-    });
-  },
-
-  /**
-   * Check if a given node has one of its ancestor tag name matching the
-   * provided one.
-   * @param  HTMLElement node
-   * @param  String      tagName
-   * @param  Number      maxDepth
-   * @param  Function    filterFn a filter to invoke to determine whether this node 'counts'
-   * @return Boolean
-   */
-  _hasAncestorTag: function(node, tagName, maxDepth, filterFn) {
-    maxDepth = maxDepth || 3;
-    tagName = tagName.toUpperCase();
-    var depth = 0;
-    while (node.parentNode) {
-      if (maxDepth > 0 && depth > maxDepth)
-        return false;
-      if (node.parentNode.tagName === tagName && (!filterFn || filterFn(node.parentNode)))
-        return true;
-      node = node.parentNode;
-      depth++;
-    }
-    return false;
-  },
-
-  /**
-   * Return an object indicating how many rows and columns this table has.
-   */
-  _getRowAndColumnCount: function(table) {
-    var rows = 0;
-    var columns = 0;
-    var trs = table.getElementsByTagName("tr");
-    for (var i = 0; i < trs.length; i++) {
-      var rowspan = trs[i].getAttribute("rowspan") || 0;
-      if (rowspan) {
-        rowspan = parseInt(rowspan, 10);
-      }
-      rows += (rowspan || 1);
-
-      // Now look for column-related info
-      var columnsInThisRow = 0;
-      var cells = trs[i].getElementsByTagName("td");
-      for (var j = 0; j < cells.length; j++) {
-        var colspan = cells[j].getAttribute("colspan") || 0;
-        if (colspan) {
-          colspan = parseInt(colspan, 10);
-        }
-        columnsInThisRow += (colspan || 1);
-      }
-      columns = Math.max(columns, columnsInThisRow);
-    }
-    return {rows: rows, columns: columns};
-  },
-
-  /**
-   * Look for 'data' (as opposed to 'layout') tables, for which we use
-   * similar checks as
-   * https://dxr.mozilla.org/mozilla-central/rev/71224049c0b52ab190564d3ea0eab089a159a4cf/accessible/html/HTMLTableAccessible.cpp#920
-   */
-  _markDataTables: function(root) {
-    var tables = root.getElementsByTagName("table");
-    for (var i = 0; i < tables.length; i++) {
-      var table = tables[i];
-      var role = table.getAttribute("role");
-      if (role == "presentation") {
-        table._readabilityDataTable = false;
-        continue;
-      }
-      var datatable = table.getAttribute("datatable");
-      if (datatable == "0") {
-        table._readabilityDataTable = false;
-        continue;
-      }
-      var summary = table.getAttribute("summary");
-      if (summary) {
-        table._readabilityDataTable = true;
-        continue;
-      }
-
-      var caption = table.getElementsByTagName("caption")[0];
-      if (caption && caption.childNodes.length > 0) {
-        table._readabilityDataTable = true;
-        continue;
-      }
-
-      // If the table has a descendant with any of these tags, consider a data table:
-      var dataTableDescendants = ["col", "colgroup", "tfoot", "thead", "th"];
-      var descendantExists = function(tag) {
-        return !!table.getElementsByTagName(tag)[0];
-      };
-      if (dataTableDescendants.some(descendantExists)) {
-        this.log("Data table because found data-y descendant");
-        table._readabilityDataTable = true;
-        continue;
-      }
-
-      // Nested tables indicate a layout table:
-      if (table.getElementsByTagName("table")[0]) {
-        table._readabilityDataTable = false;
-        continue;
-      }
-
-      var sizeInfo = this._getRowAndColumnCount(table);
-      if (sizeInfo.rows >= 10 || sizeInfo.columns > 4) {
-        table._readabilityDataTable = true;
-        continue;
-      }
-      // Now just go by size entirely:
-      table._readabilityDataTable = sizeInfo.rows * sizeInfo.columns > 10;
-    }
-  },
-
-  /**
-   * Clean an element of all tags of type "tag" if they look fishy.
-   * "Fishy" is an algorithm based on content length, classnames, link density, number of images & embeds, etc.
-   *
-   * @return void
-   **/
-  _cleanConditionally: function(e, tag) {
-    if (!this._flagIsActive(this.FLAG_CLEAN_CONDITIONALLY))
-      return;
-
-    var isList = tag === "ul" || tag === "ol";
-
-    // Gather counts for other typical elements embedded within.
-    // Traverse backwards so we can remove nodes at the same time
-    // without effecting the traversal.
-    //
-    // TODO: Consider taking into account original contentScore here.
-    this._removeNodes(e.getElementsByTagName(tag), function(node) {
-      // First check if this node IS data table, in which case don't remove it.
-      var isDataTable = function(t) {
-        return t._readabilityDataTable;
-      };
-
-      if (tag === "table" && isDataTable(node)) {
-        return false;
-      }
-
-      // Next check if we're inside a data table, in which case don't remove it as well.
-      if (this._hasAncestorTag(node, "table", -1, isDataTable)) {
-        return false;
-      }
-
-      var weight = this._getClassWeight(node);
-      var contentScore = 0;
-
-      this.log("Cleaning Conditionally", node);
-
-      if (weight + contentScore < 0) {
-        return true;
-      }
-
-      if (this._getCharCount(node, ",") < 10) {
-        // If there are not very many commas, and the number of
-        // non-paragraph elements is more than paragraphs or other
-        // ominous signs, remove the element.
-        var p = node.getElementsByTagName("p").length;
-        var img = node.getElementsByTagName("img").length;
-        var li = node.getElementsByTagName("li").length - 100;
-        var input = node.getElementsByTagName("input").length;
-
-        var embedCount = 0;
-        var embeds = this._concatNodeLists(
-          node.getElementsByTagName("object"),
-          node.getElementsByTagName("embed"),
-          node.getElementsByTagName("iframe"));
-
-        for (var i = 0; i < embeds.length; i++) {
-          // If this embed has attribute that matches video regex, don't delete it.
-          for (var j = 0; j < embeds[i].attributes.length; j++) {
-            if (this.REGEXPS.videos.test(embeds[i].attributes[j].value)) {
-              return false;
-            }
-          }
-
-          // For embed with <object> tag, check inner HTML as well.
-          if (embeds[i].tagName === "object" && this.REGEXPS.videos.test(embeds[i].innerHTML)) {
-            return false;
-          }
-
-          embedCount++;
-        }
-
-        var linkDensity = this._getLinkDensity(node);
-        var contentLength = this._getInnerText(node).length;
-
-        var haveToRemove =
-          (img > 1 && p / img < 0.5 && !this._hasAncestorTag(node, "figure")) ||
-          (!isList && li > p) ||
-          (input > Math.floor(p/3)) ||
-          (!isList && contentLength < 25 && (img === 0 || img > 2) && !this._hasAncestorTag(node, "figure")) ||
-          (!isList && weight < 25 && linkDensity > 0.2) ||
-          (weight >= 25 && linkDensity > 0.5) ||
-          ((embedCount === 1 && contentLength < 75) || embedCount > 1);
-        return haveToRemove;
-      }
-      return false;
-    });
-  },
-
-  /**
-   * Clean out elements that match the specified conditions
-   *
-   * @param Element
-   * @param Function determines whether a node should be removed
-   * @return void
-   **/
-  _cleanMatchedNodes: function(e, filter) {
-    var endOfSearchMarkerNode = this._getNextNode(e, true);
-    var next = this._getNextNode(e);
-    while (next && next != endOfSearchMarkerNode) {
-      if (filter(next, next.className + " " + next.id)) {
-        next = this._removeAndGetNext(next);
-      } else {
-        next = this._getNextNode(next);
-      }
-    }
-  },
-
-  /**
-   * Clean out spurious headers from an Element. Checks things like classnames and link density.
-   *
-   * @param Element
-   * @return void
-  **/
-  _cleanHeaders: function(e) {
-    for (var headerIndex = 1; headerIndex < 3; headerIndex += 1) {
-      this._removeNodes(e.getElementsByTagName("h" + headerIndex), function (header) {
-        return this._getClassWeight(header) < 0;
-      });
-    }
-  },
-
-  _flagIsActive: function(flag) {
-    return (this._flags & flag) > 0;
-  },
-
-  _removeFlag: function(flag) {
-    this._flags = this._flags & ~flag;
-  },
-
-  _isProbablyVisible: function(node) {
-    return (!node.style || node.style.display != "none") && !node.hasAttribute("hidden");
-  },
-
-  /**
-   * Runs readability.
-   *
-   * Workflow:
-   *  1. Prep the document by removing script tags, css, etc.
-   *  2. Build readability's DOM tree.
-   *  3. Grab the article content from the current dom tree.
-   *  4. Replace the current DOM tree with the new one.
-   *  5. Read peacefully.
-   *
-   * @return void
-   **/
-  parse: function () {
-    // Avoid parsing too large documents, as per configuration option
-    if (this._maxElemsToParse > 0) {
-      var numTags = this._doc.getElementsByTagName("*").length;
-      if (numTags > this._maxElemsToParse) {
-        throw new Error("Aborting parsing document; " + numTags + " elements found");
-      }
-    }
-
-    // Remove script tags from the document.
-    this._removeScripts(this._doc);
-
-    this._prepDocument();
-
-    var metadata = this._getArticleMetadata();
-    this._articleTitle = metadata.title;
-
-    var articleContent = this._grabArticle();
-    if (!articleContent)
-      return null;
-
-    this.log("Grabbed: " + articleContent.innerHTML);
-
-    this._postProcessContent(articleContent);
-
-    // If we haven't found an excerpt in the article's metadata, use the article's
-    // first paragraph as the excerpt. This is used for displaying a preview of
-    // the article's content.
-    if (!metadata.excerpt) {
-      var paragraphs = articleContent.getElementsByTagName("p");
-      if (paragraphs.length > 0) {
-        metadata.excerpt = paragraphs[0].textContent.trim();
-      }
-    }
-
-    var textContent = articleContent.textContent;
-    return {
-      title: this._articleTitle,
-      byline: metadata.byline || this._articleByline,
-      dir: this._articleDir,
-      content: articleContent.innerHTML,
-      textContent: textContent,
-      length: textContent.length,
-      excerpt: metadata.excerpt,
-      siteName: metadata.siteName || this._articleSiteName
-    };
-  }
-};
-
-if (typeof module === "object") {
-  module.exports = Readability;
-}
-
-// Added for Epiphany
-var documentClone = document.cloneNode(true);
-reader = new Readability(documentClone);
-reader.parse();
diff --git a/src/resources/epiphany.gresource.xml b/src/resources/epiphany.gresource.xml
index de5e2b5dc..055015b80 100644
--- a/src/resources/epiphany.gresource.xml
+++ b/src/resources/epiphany.gresource.xml
@@ -42,8 +42,6 @@
     <file preprocess="xml-stripblanks" compressed="true">gtk/shortcuts-dialog.ui</file>
     <file preprocess="xml-stripblanks" compressed="true">gtk/tab-label.ui</file>
     <file preprocess="xml-stripblanks" compressed="true">gtk/webapp-additional-urls-dialog.ui</file>
-    <file compressed="true">Readability.js</file>
-    <file compressed="true">reader.css</file>
   </gresource>
   <gresource prefix="/org/gnome/Epiphany/icons">
     <file compressed="true" alias="scalable/actions/ephy-download-symbolic.svg" preprocess="xml-stripblanks">ephy-download-symbolic.svg</file>
diff --git a/src/resources/reader.css b/src/resources/reader.css
deleted file mode 100644
index a41c7f26b..000000000
--- a/src/resources/reader.css
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * Alternatively, the contents of this file may be used under the terms
- * of the GNU General Public License Version 3, as described below:
- *
- * This file is free software: you may copy, redistribute and/or modify
- * it under the terms of the GNU General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
- *
- * This file is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- * Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see http://www.gnu.org/licenses/.
- *
- * Changes
- * - replace Firefox specific css extensions with WebKit css extensions
- * - append FeedView css selectors
- *
- * - Adjusted for Epiphany (Removing footer)
- *
- * Notes:
- *
- * - WCAG 2.0 level AA recommends at least 4.5 for normal text, 3 for large
- *   text. See: https://marijohannessen.github.io/color-contrast-checker/
- *
- * - The @font-face rules try to use locally installed copies of the fonts,
- *   and fallback to the bundled versions. As per W3C recommendation, the
- *   rules include both full font names and PostScript names to assure
- *   proper matching across platforms and installed font formats. See:
- *   https://www.w3.org/TR/css-fonts-3/#font-face-rule
- */
-
-
-body.sans {
-  font-family: sans-serif;
-}
-
-body.serif {
-  font-family: serif;
-}
-
-body {
-  line-height: 1.45;
-  text-rendering: optimizeLegibility;
-}
-
-body.light {
-  /* Contrast ratio: 10.49 */
-  color: #333333;
-  background: #efefee;
-}
-
-body.dark {
-  color: #efefef;
-  background: #181818;
-}
-
-h1,
-h2,
-h3,
-h4,
-h5,
-h6 {
-  /* Contrast ratio: 4.77 */
-  font-weight: bold;
-  color: #555555;
-  font-family: serif;
-}
-
-body.serif h1,
-body.serif h2,
-body.serif h3,
-body.serif h4,
-body.serif h5,
-body.serif h6 {
-  font-family: sans-serif;
-}
-
-
-body.dark h1,
-body.dark h2,
-body.dark h3,
-body.dark h4,
-body.dark h5,
-body.dark h6 {
-  color: #999999;
-}
-
-
-tt,
-code,
-pre {
-  font-family: ephy-reader-mono, monospace;
-}
-
-hr {
-  border: 1px solid #efefef;
-}
-
-picture img {
-  border-radius: 3px;
-}
-
-h1 {
-  font-size: 1.6em;
-}
-
-h2 {
-  font-size: 1.2em;
-}
-
-h3 {
-  font-size: 1em;
-}
-
-a {
-  text-decoration: underline;
-  font-weight: normal;
-}
-
-a,
-a:visited,
-a:hover,
-a:active {
-  color: #0095dd;
-}
-
-* {
-  max-width: 100%;
-  height: auto;
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