> On 6/4/20 4:11 AM, Basil L. Contovounesios wrote:
>> Would it not suffice to clarify in its documentation that it modifies
>> its argument, in the same way that we warn about passing immutable lists
>> to nconc?
> We could do that, yes. Some code passes string literals to make-text-button,
> though, and we'd need to change it. The first example I found was ibuf-ext.el's
> ibuffer-old-saved-filters-warning, which calls (make-text-button "here" ...).
> Such code is already "broken" in some sense, so we'll need to fix it anyway somehow.