Java開源類庫HTML 解析器，jsoup 1.8.3 發布
jsoup 是一款 Java 的HTML 解析器，可直接解析某個URL地址、HTML文本內容。它提供了一套非常省力的API，可通過DOM，CSS以及類似于JQuery的操作方法來取出和操作數據。
jsoup的主要功能如下：
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從一個URL，文件或字符串中解析HTML；
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使用DOM或CSS選擇器來查找、取出數據；
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可操作HTML元素、屬性、文本；
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jsoup 1.8.3 發布，此版本主要改進有：解析大型 HTML 文件的一些性能提升；抓取 XML 文檔時，自動切換到 XML 解析器；重要 bug 修復。更新內容：
改進
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Performance improvement on parsing larger HTML pages. On Android KitKat, around 1.7x times faster.
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On Android Lollipop, ~ 1.3x faster. Improvements largely from re-ordering the HtmlTreeBuilder methods based on analysis of various websites; also from further memory reduction for nodes with no children, and other tweaks.
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When fetching XML URLs, automatically switch to the XML parser instead of the HTML parser.
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Improved support for boolean attributes in HTML5.
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When serialising XML, ensure that '<' characters in attributes are escaped, per spec. Not required in HTML.
Bug 修復
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Fixed an issue in Element.elementSiblingIndex() (and related methods) where sibling elements with the same content would incorrectly have the same sibling index.
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Fixed an issue where unexpected elements in a badly nested table could be moved to the wrong location in the document.
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Fixed an issue where a table nested within a TH cell would parse to an incorrect tree.
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When serializing a document using the XHTML encoding entities, if the character set did not support chars (such as Shift_JIS), the character would be skipped. For visibility, will now always output &xa0; (the hex code for non-breaking-space); when using XHTML encoding entities (as is not defined), regardless of the output character set.
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Fixed an issue when resolving URLs, where if the absolute URL had no path, the relative URL was not normalized correctly.
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Fixed an issue where connections that were redirected to a relative URL did not have the same normalization rules as a URL read from Nodes.absUrl(String).
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