Subject: bug#31532: Non-capitalized CC in rmail.texi(emacs-26)

From: Eli Zaretskii <[email-masked]>
Date: Sun, 20 May 2018 09:53:44 +0300

> From: Takesi Ayanokoji <[email-masked]>
> Date: Sun, 20 May 2018 05:23:29 +0900
> Cc: [email-masked]
> 
> In sending.texi, some mail-headers(also includes CC) are capitalized before emacs-26.
> And in emacs-26, some mail-headers are capitalized, but CC mail-header is still remains non-capitalized.

You mean, you expected to see "Cc" instead of "CC"?  If so, that's
deliberate: "CC" is an acronym, whereas the other headers are words.

If the problem is something else, please tell more.