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[71.190.212.171]) by smtp.gmail.com with ESMTPSA id d22sm8547690qtp.34.2021.02.20.20.09.17 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sat, 20 Feb 2021 20:09:17 -0800 (PST) From: dick.r.chiang@gmail.com X-Google-Original-From: ding@gnus.org To: ding@gnus.org Subject: Re: how can I convert the To field to CC References: <87k0r3kc70.fsf@mat.ucm.es> <87a6rzmtmw.fsf@zoho.eu> <87blcfghv2.fsf@mat.ucm.es> <87k0r27eao.fsf@zoho.eu> <87ft1qe5qd.fsf@mat.ucm.es> <87mtvye3nn.fsf@dick> <87blce5kub.fsf@zoho.eu> <87ft1qdt91.fsf@dick> <87h7m63xx4.fsf@zoho.eu> Date: Sat, 20 Feb 2021 23:09:17 -0500 In-Reply-To: <87h7m63xx4.fsf@zoho.eu> (Emanuel Berg's message of "Sun, 21 Feb 2021 04:24:55 +0100") Message-ID: <874ki6dpua.fsf@dick> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1.91 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain List-ID: Precedence: bulk Oh boy, I guess we have to "go there" although I didn't think Herr Brauer's original itch needed to scratch an empty To or Cc. (defun my/message-swap-to-cc () (interactive) (message-goto-to) (message-goto-cc) (let ((to (or (message-field-value "To") ""))) (message-replace-header "To" (or (message-field-value "Cc") "") "From" t) (message-replace-header "Cc" to "To" t)))