Calibre 2.83 发布了，Calibre 是电子书管理软件，支持 Amazon、Apple、Bookeen、Ectaco、Endless Ideas、Google/HTC、Hanlin Song 设备及格式。 新特性： PDF Output: Default to generating PDFs with a page size of letter instead of taking the page size from the output profile. PDF/DOCX Output: Add separate, pdf/docx specific, page margin settings that override the common settings. Table of Contents tool: Add an undo button Metadata jacket: Show custom rating columns using stars Metadata jacket: Change formatting of series to match that used by the book details panel. Also allow access to the raw series name and number when customizing the jacket template. calibredb check_library: Vacuum database when running the check Check Book: Add a check for empty identifier elements Bug 修复： Edit book/Book polishing: When adding a cover to an EPUB 3.0 file set the svg property if a SVG cover wrapper is used Refresh the book list when a User Category is added/edited. EPUB metadata: Fix deleting ISBN from EPUB file could result in an EPUB file without a package identifier if the ISBN was used as the package identifier. Amazon metadata download: Fix title and author names being bold in the downloaded comments when using bing to get amazon metadata. PDF Output: Fix a regression that broke PDF Output for documents containing mathematics. E-book viewer: Fix a regression that broke the "Clear recently read books" action in the viewer 下载地址： http://calibre-ebook.com/download Calibre 2.83 发布，电子书管理软件下载地址
