Re: master 70341cab3e: string-equal-ignore-case: new function

[Sam Steingold <sds@gnu.org>]

> * Lars Ingebrigtsen <ynefv@tahf.bet> [2022-07-26 19:58:06 +0200]:
>
> Sam Steingold <sds@gnu.org> writes:
>
>> -;; case-insensitive case, but it has to cope with null args.
>> -;; (`string-equal' uses symbol print names.)
>> -(defun gnus-string-equal (x y)
>> -  "Like `string-equal', except it compares case-insensitively."
>> -  (and (= (length x) (length y))
>> -       (or (string-equal x y)
>> -	   (string-equal (downcase x) (downcase y)))))
>
> We don't remove non-internal functions like this (because they may be
> used by third parties).  Instead make it obsolete.

fixed, thanks.

>> -	      (when (gnus-string-equal
>> +	      (when (string-equal-ignore-case
>>  		     (message-fetch-field "followup-to")
>>  		     (message-fetch-field "newsgroups"))
>
> And the arguments here may be nil, which will signal an error.

I thought I checked all uses of `gnus-string-equal', sorry...

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