# ident	"%Z%%M%	%I%	%E% SMI"
-------------------- ~ ESCAPES ----------------------------
~~		Quote a single tilde
~a,~A		Autograph (insert 'sign','Sign' variable)
~b users	Add users to Bcc list
~c users	Add users to Cc list
~d		Read in dead.letter file
~e		Edit the message buffer
~f messages	Read in messages, do not right-shift
~h		Prompt for Subject and To, Cc and Bcc lists
~i variable	Insert variable into message (~a := ~i sign)
~m messages	Read in messages, right-shifted by a tab
~p		Print the message buffer
~q,~Q		Quit, save letter in $HOME/dead.letter
~r,~< file	Read a file into the message buffer
~r,~< !command	Read output from command into message
~R		Mark message for return receipt
~s subject	Set subject
~t users	Add users to To list
~v		Invoke display editor on message
~w file		Write message onto file (no header)
~x		Quit, do not save letter
~!command	Run a shell command
~|,~^ command	Pipe the message through the command
~:,~_ command	Execute regular mailx command
~.		end of input
~?		print this help message
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