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The right angle bracket ( > ) may be represented using the string " &gt; " , and must , for compatibility , be escaped using " &gt; " or a character reference when it appears in the string " ] ] > " in content , when that string is not marking the end of a CDATA section . Because of the " code application " nature of this second article , there 's much more example code than in the first article . They begin their journey around in a curve called the " Bow Shock " . For example , there have been repeated problems with proper handling of " bcc " copies and redistribution lists when information that conceptually belongs to a mail envelopes is not separated early in processing from header information ( and kept separate ) . The " Bcc : " field ( where the " Bcc " means " Blind Carbon Copy " ) contains addresses of recipients of the message whose addresses are not to be revealed to other recipients of the message .