I think it would be great to have the Drupal API documentation as an ebook to study while away from my computer. One book per major version would make sense, I think. ePub and Kindle (Mobi) are probably the most important ebook formats to offer, but for findability and reference, here's a (more or less) complete list of those that people are likely to be searching for or interested in having:
Interestingly, MySQL (who I've always felt did a good job in this arena) offers their reference manuals as an Eclipse Doc plugin, man pages, and RPM. PHP offers their (also excellent) documentation as a Microsoft Compiled HTML Help (CHM) file, as well.
Closed: won't fix
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Closing this. In the Drupal 7 days we had around 60 to 70 thousand objects (files, classes, functions, constants...). In the Drupal 8 and above versions we have around 300K objects per version.
I think this is out of the scope of this module, which is aimed at generating a website. Any work along the lines of this request could be worked on as a separate module.