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+.TH LP 4
+.SH NAME
+lp \- line printer
+.SH DESCRIPTION
+.I Lp
+provides the interface to any of the standard
+DEC line printers.
+When it is opened or closed, a suitable number
+of page ejects is generated.
+Bytes written are printed.
+.PP
+An internal parameter within the driver determines
+whether or not the device is treated as having
+a 96- or 64-character set.
+In half-ASCII mode, lower case letters are turned
+into
+upper case
+and certain characters are escaped according to
+the following table:
+.PP
+.br
+.ns
+.TP 10
+{
+\o"-("
+.br
+.ns
+.TP 10
+}
+\o"-)"
+.br
+.ns
+.TP 10
+\`
+\o"-\'"
+.br
+.ns
+.TP 10
+|
+\o"\-!"
+.br
+.ns
+.TP 10
+~
+\o"\-^"
+..
+.PP
+The driver correctly interprets
+carriage returns, backspaces, tabs, and form feeds.
+A sequence of newlines which extends over the end of
+a page is turned into a form feed.
+Lines longer than 80 characters are truncated
+(This is a parameter in the driver).
+Another parameter allows indenting all printout
+if it is unpleasantly near the left margin.
+.SH FILES
+/dev/lp
+.SH "SEE ALSO"
+lpr(1)
+.SH BUGS
+Half-ASCII mode, the indent and the maximum line length should
+be settable by an
+.IR ioctl (2).