round-up backup

With the write-up for the procedures for backing up data from Stellarium on Mom's Mac, I now have the three platforms documented. 

I'm quite happy about this.

So if you're trying to protect your data, customisations, and various preference settings for the software, I think I have notes you'll find useful. Choose your weapon:

• Windows - Windows 10 with Stellarium 1.1
• Linux - Ubuntu 22.04 LTS "snap" with Stellarium 1.1
• Apple Mac - Mac OS X 10.13 with Stellarium 0.18.3

The Windows post also examines the effect of upgrading from an old to a new version.

It still is kinda astonishing to me that this is not something they document in the official User Guide. Or better still, that there's not a one-click button inside the app that did it all... Alas, we're on our own.

Now there's no excuse...

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Added to the lumpy companion Stellarium page.