Reading through the release notes for BBEdit 12.6 a few days ago, I discovered a gesture I was theretofore unaware of.

Holding down the Command (⌘) key and clicking on a link in a text document will open it in your web browser. Keeping with tradition and the gestures in other apps, using Shift-Command (⇧⌘) when clicking the URL opens it in the background, in a window behind BBEdit.

Brilliant.