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--- util:sbbsecho [2017/11/09 15:48] – [SCFG] More details. digital man
+++ util:sbbsecho [2017/11/13 15:00] – Define "Kludge Line" digital man
@@ Line 158: / Line 158: @@
 no external area manager program is required. If you are not an FTN hub, then
 the area manager portion of SBBSecho will probably not get much use on your
-system.
+system. The Area Manager process has also be called a "Conference Manager" ([[http://ftsc.org/docs/fsc-0057.003|ConfMgr]]).
+==== Kludge Line ====
+Due to historic FTN message and packet header limitations, some message metadata was defined in body text of each message in the form of "control lines" (often called //kludge lines//). Each control line begins with a Ctrl-A (ASCII 1) character followed by a keyword, a space, some optional data, and terminated with a carriage return (ASCII 13) character. Different control line keywords are used define different metadata values.
+Kludge/control lines are not normally displayed to messages viewers (users), but most programs have an option to view the control lines where it is customary to replace the Ctrl-A character with an ''@'' character.
+Synchronet stores FTN control lines in its message headers, so you must use the Terminal Server operator->View Header command (''H''), to view a message header to see the metadata that may have been received via FTN kludge lines.
+Some control lines are only expected in EchoMail messages, some only in NetMail, and some in either.
 ===== Installation =====

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