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作者：Jube Inell 於 July 20, 2011 發佈 · 永久網址

Any idea how to add optional CCs? That is...only show the CC line if there is at least one CC recipient.

Edit: Never mind. I got it. Basically...after the To line ends, put a { followed by a line break. Then insert your CC line per usual, ending with another }. This essentially only breaks line and inserts the CC line if the CC recipient exists.