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

[Eli Zaretskii]

> From: Takesi Ayanokoji <ayanokoji.takesi@gmail.com>
> Date: Sun, 20 May 2018 16:49:29 +0900
> Cc: 31532@debbugs.gnu.org
> 
> First, while translating "@chapter Sending Mail" in sending.texi, I found 
> many mail-headers includes acronym
> were fixed from uppercase word to capitalized word(please see 
> sending.texi:101~ "@node Mail Headers")
> 
> Next, I start to translate next chapter "@chapter Reading Mail with Rmail", 
> and I found a few mail-headers
> included above fix ware also fixed but @{CC}.
> 
> In sending.texi(preceding chapter), CC is Cc. But rmail.texi(following 
> chapter), CC still remains CC.
> 
> So, I guess latter is typo (or vice versa).

The "Bcc" etc. variants are incorrect; now fixed.

Thanks.