The meaning for the perference option: main.last-prefs-page.

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If so, it has no real effect on the user's settings for the wing and only adds some hint/clue into the debugging info.

The preferences file stores a variety of things. Is the location of this setting causing problems for you?

I want to share the same preferences file among wings installed on different machines. For this purpose, I use a git repo to store this file and git (clone | pull | commit) on all of my machines to keep the same working settings. But the problem is that the entries like main.last-prefs-page and main.update-history maybe changed time-to-time which will trigger the very frequently running of the git workflow though the changes of them don't have any real effect on the wing's internal used settings.

Regards.

I've tagged this as a feature request. Another idea, other than using git, would be to set something up that just scp's the file. Or perhaps write a script that strips out the things you don't want before committing.

Though scping/rsyncing the file among different machines will work, it's not a powerful method like git based one. In fact, I've written the strip script and I expect wing can invoke it when I exit/close wing, considering that this is just a wing specific job.