Re: master 3139551: Don’t attempt to modify constant strings

[Paul Eggert]

On 5/17/20 4:24 AM, Dmitry Gutov wrote:
>> -;; (password-cache-add "test" "foo")
>> +;; (password-cache-add "test" (copy-sequence "foo"))
>>   ;;  => nil
> 
> This seems like a false positive.

It's just a comment. Since there are so many ways that a password cache can be
cleared and clearing means the strings holding passwords need to be mutable, I
thought it better for the comment to reflect good practice.