It also fixes the problem with eval that is shared with ssh:

    ysh-0.29$ eval ls $dir
      eval ls $dir
      ^~~~
    [ interactive ]:11: 'eval' requires exactly 1 argument

And it fixes word evaluation

YSH Doesn't Require Quoting Everywhere - https://www.oilshell.org/blog/2021/04/simple-word-eval.html

https://oils.pub/release/latest/doc/simple-word-eval.html