On 5 Mar 2021, at 17:05, Walter Lee Davis via TextMate wrote:
Ah, but then that makes them visible everywhere in Finder. I was hoping for something more surgical, which would show them in the TM sidebar browser only. Does anyone have any TM-specific suggestions?
If you move focus to file browser then you can select View → Show Invisible Files (⌥⌘I).
I do realize that this is basically impossible to discover on your own…