bug#30182: Update

[martin rudalics]

>   . Could the problem be caused by mode-line-default-help-echo being a
>     function now, not just a string?  Maybe try to revert only that
>     portion of the changeset, and see if that helps.

It can be made into a string and the OP confirmed already that doing
that fixes things.

>   . Related: could it be that mode-line-default-help-echo signals an
>     error?  Try running the reproducing recipe with a breakpoint in
>     safe_eval_handler.  If that breakpoint breaks, show the backtrace,
>     and use "pp" to show the values of arg and args[].

The OP already checked that wrapping `mode-line-default-help-echo'
into a condition-case does not help.

martin