patch 8.2.1515: Vim9: can create s:var in legacy script but cannot unlet Commit: https://github.com/vim/vim/commit/8436773fad285215481c4ce2b32692e66fca599f Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 23 15:21:55 2020 +0200 patch 8.2.1515: Vim9: can create s:var in legacy script but cannot unlet Problem: Vim9: can create s:var in legacy script but cannot unlet. Solution: Allow :unlet for legacy script var.

#! /bin/sh

# This is just a stub for the Unix configure script, to provide support for
# doing "./configure" in the top Vim directory.

cd "${SRCDIR:-src}" && exec ./configure "$@"