incremental

It would be cool to add Google Translate support, because most likely Google Translate is better than Microsoft Translate.

And maybe it would be good idea to use Google Apps Script, because it has a free unlimited Google Translate. Here is an [example article](https://techstreams.github.io/2016/01/07/translation-automation-with-wor

At some point we should probably upgrade the argument parser to use nom version 5. They got rid of most of the macro magic. I am not familiar with nom (although interested), but there is an upgrade guide that should hopefully make the transition a bit more smooth: https://github.com/Geal/nom/blob/master/doc/upgrading_to_nom_5.md

In my experience, depending on the system and amount of data being held by the snapshots, deleting even 100 snapshots at a time might overwhelm the system. If you do implement this, please allow the number of snapshots deleted at once to be configurable (as either number of snapshots or "size" of snapshots).
Thank you!

_Originally posted by @helamonster in https://github.com/zrepl/zrepl/is

When I start Anki 2.0, "Your Incremental Reading settings file has been modified for compatibility reasons. …", and my custom QuickKey is not there when I start Anki 2.1 after that.

A good testing regime could include the following:

• Perform an initial backup
• Verify volume
• Perform an incremental backup
• Verify volume
• Prune first backup
• Verify volume
• Diff volume (cross-check with source vol data)

Changing program_name in the code could allow the test data set to be created under a different base folder name without interfering with real-life back

Description

During the installation screen, when clicking back from the plugin install screen, collections get duplicated

Steps to Reproduce

1. Run the installer as usual until reaching the plugin install screen
2. press back

or

1. Run the installer as usual until reaching the plugin install screen
2. Select any of the official plugins to install
3. press back