Re: [PATCH v2 0/2] MR10543: Change default dir to fit XDG

[Stian Low (＠stianlow)]

Asked here: https://bugs.winehq.org/show_bug.cgi?id=59739#c4

Would a winecfg command line theme option be better since it already supports setting versions `winecfg /v win10`?

```
WINEPREFIX=/bogus/pfx_0 wine winecfg /t aero
WINEPREFIX=/bogus/pfx_1 wine winecfg /t aero
WINEPREFIX=/bogus/pfx_2 wine winecfg /t aero_dark
```

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https://gitlab.winehq.org/wine/wine/-/merge_requests/10543#note_139372