CVE-2026-113718 virtualenv: Xonsh activation literals depend on the script decoding codec

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, POSIX xonsh activation quote uses repr to write printable non-ASCII prompt or destination data into UTF-8 activate.xsh, while xonsh can read that script using $XONSHENCODING. Under a legacy multibyte codec...