9 juli 2020 kl. 19.31 skrev Eli Zaretskii <eliz@gnu.org>:

> This loses too much useful information, IMO.  Let's please say that
> the result is sometimes ("frequently"?), but not always, a new string,
> and that programs should not rely on that aspect.

Here is a new version that adds this information, and recommends copy-sequence for mutability.