New Features
EPUB Input: When setting the cover for a book that identifies its cover image, but not the html wrapper around the cover, try to detect and remove that wrapper automatically.When deleting books of a specific format, show the number of books with each format availableLinux install: No longer create MAN pages as all utilities have more comprehensive command line –help anywayAdd a tweak Preferences->Tweaks to control the default choice of format for the Tweak Book featureConversion: Allow setting negative page margins. A negative page margin means that calibre will not specify any page margin in the output document (for formats that support this)Tweak book: Fix handling of covers when tweaking KF8 booksKF8 Output: Handle input documents with out of sequence ToC entries. Note that currently section jumping in the KF8 output produced by calibre for such files does not work.Edit metadata dialog: Fix the edit values button for custom tag-like columns showing a unneeded warning about changed valuesEPUB Output: Be a little more conservative when removing tags. Only remove them if they have actual forms inside.EPUB Input: Correctly update the Cover entry in the ToC even when the entry has a fragment reference.Update ImagMagick DLLs in all calibre binary builds to fix security vulnerabilities in ImageMagickAdvanced search dialog: Fix equals and regex matching not being applied for custom column searches.RTF Input: Handle old RTF files that have commands without braces.Get Books: Diesel, fix results not showing when only a single match is foundGet Books: Fix DRM status indicators for Kobo and Diesel stores. Fix smashwords not returning results.Fix regression in 0.8.51 that broke viewing of LIT and some EPUB files
