Re: fix for bug#29935 copyright-update inserts year at random places

[martin rudalics]

> Apparently completion (or maybe read-from-minibuffer) does re-iconify a
> popped up frame (that happened once in my experiments). I looked thru
> the C code for read-from-minibuffer, and it has comments that talk about
> preserving the frame state, but I did not see where it minimizes the
> frame on return. So I don't know how to do that from elisp in
> copyright-update-year.

There is one function `frame-auto-hide-function' and two frame
parameters `auto-hide-function' and `minibuffer-exit' which can be
useful in this context.

martin