Calibre 2.49 发布，电子书管理软件

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　　Calibre 2.49 发布，此版本更新内容如下：
新特性

• 　　E-book viewer: Add an option to allow only a single book to be viewed at a time. Trying to view a secondbook will cause it to replace the currently viewed book.
  　　Closes tickets: 1526504
  
• 　　Kobo driver: Add support for the new firmware 3.19.5761
  
• 　　Linux build: Update bundled version of Qt to 5.5.1
  

Bug 修复

• 　　Fix splash screen getting stuck on OSX when restarting calibre in debug mode
  
• 　　Get Books: Update plugins for various Polish language book stores to handle changes to the website
  
• 　　Amazon metadata download: Handle a change in the amazon website that prevented review metadata from being downloaded
  
• 　　Better algorithm for guessing the 'external' network interface that is displayed to the user
  
• 　　Tag Mapper: Do not allow the user to create rules with invalid regular expressions
  
• 　　E-book viewer: Disallow hyphenation in documents that use mathematical typesetting as the hyphenation breaks that typesetting
  
• 　　E-book viewer: Fix some non-ASCII characters not display in embedded MathML.
  　　Closes tickets: 1532323
  
• 　　Download calibre plugins securely using HTTPS
  
• 　　MOBI Output: Try to autofix corrupted PNG images in the input document.
  　　Closes tickets: 1531738
  
• 　　Nook Glowlight Plus: Send files by default to the NOOK/My Files folder.
  　　Closes tickets: 1531394
  
• 　　E-book viewer: Fix failure to view comic files that contain non-ASCII characters int heir internal filenames.
  　　Closes tickets: 1530517
  

新增新闻源

• 　　LaRed21 by Carlos Alves
  

改进新闻源

• 　　Echo Online
  
• 　　Various Uruguayan news sources
  
• 　　Economic and Political Weekly
  
• 　　Tagesanzeiger
  

　　下载：http://calibre-ebook.com/download
　　

　　Calibre是电子书管理软件，支持Amazon、Apple、Bookeen、Ectaco、Endless>