add: i18n("collection of article headers","Mail-Copies-To");
context: void dummyHeader(){  i18n("collection of article headers","Approved");  i18n("collection of article headers","Content-Transfer-Encoding");  i18n("collection of article headers","Content-Type");  i18n("collection of article headers","Control");  i18n("collection of article headers","Date");  i18n("collection of article headers","Distribution");  i18n("collection of article headers","Expires");  i18n("collection of article headers","Followup-To");  i18n("collection of article headers","From");  i18n("collection of article headers","Lines");  i18n("collection of article headers","Message-ID");  i18n("collection of article headers","Mime-Version");  i18n("collection of article headers","NNTP-Posting-Host");  i18n("collection of article headers","Newsgroups");  i18n("collection of article headers","Organization");  i18n("collection of article headers","Path");  i18n("collection of article headers","References");  i18n("collection of article headers","Reply-To");  i18n("collection of article headers","Sender");  i18n("collection of article headers","Subject");  i18n("collection of article headers","Supersedes");  i18n("collection of article headers","To");  i18n("collection of article headers","User-Agent");  i18n("collection of article headers","X-Mailer");  i18n("collection of article headers","X-Newsreader");  i18n("collection of article headers","X-No-Archive");  i18n("collection of article headers","XRef");  i18n("collection of article headers","Groups");}