shiftwidth has been in vi for a very long time. It's been in my exrc since I got into BSD in the 1990s, and judging by the earliest commit that's available onli

shiftwidth has been in vi for a very long time. It's been in my exrc since I got into BSD in the 1990s, and judging by the earliest commit that's available online[0] it was added even before 1980. [0] https://github.com/weiss/original-bsd/commit/3effe8f62d3c7b52df25e2b730ba5cf9e8cad4f2 https://github.com/weiss/original-bsd/commit/3effe8f62d3c7b5...