This material adds the option to generate an alphabetical index from index markers in a docx file.
Merge branch 'master' of https://github.com/kovidgoyal/calibre
Updating source to 1.29
Diagnostic tweaks
Merge branch 'master' of https://github.com/GRiker/calibre
Fix #1298071 [[Edit book]: Crash exporting image](https://bugs.launchpad.net/calibre/+bug/1298071)
Fix #1298404 [Untranslatable string "Copy Link"](https://bugs.launchpad.net/calibre/+bug/1298404)
Style improvements and debugging in the docx indexing code
calibre-customize help: Do not error out if one of the installed plugins has no customization help
Edit Book: When generating an inline ToC add a class attribute to all <ul> tags to make it easy to style a particular level of the ToC
Fix unnecessary error when shutting down GUI IPC socket on linux
Fix abstract named socket used for GUI IPC on linux not being shutdown till process exit, thereby preventing restart from working. Fixes #1298756 [error restarting](https://bugs.launchpad.net/calibre/+bug/1298756)
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version 1.30
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Prevent ImageMagick crash in identify when debugging MOBI6 files
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Make MOBI/AZW3 output a little closer to that of current kindlegen