Shorten pleonastic "by the tty driver tty(4)".
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@ -1,4 +1,4 @@
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.\" $NetBSD: signal.7,v 1.23 2018/05/28 15:48:23 wiz Exp $
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.\" $NetBSD: signal.7,v 1.24 2018/05/30 23:24:13 uwe Exp $
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.\"
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.\" Copyright (c) 1999, 2016 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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@ -155,8 +155,9 @@ Detailed descriptions of these signals follow.
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.Bl -tag -width "aaa"
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.\" ************
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.It Dv SIGHUP No (Hangup)
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This signal is generated by the tty driver
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This signal is generated by the
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.Xr tty 4
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driver
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to indicate a hangup condition on a process's controlling terminal:
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the user has disconnected.
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Accordingly, the default action is to terminate the process.
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@ -169,8 +170,9 @@ The number for
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is 1, which is quite well known.
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.\" ************
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.It Dv SIGINT No (Interrupt)
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This signal is generated by the tty driver
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This signal is generated by the
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.Xr tty 4
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driver
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when the user presses the interrupt character, normally control-C.
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The default action is to terminate the process.
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The number for
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@ -178,8 +180,9 @@ The number for
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is 2.
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.\" ************
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.It Dv SIGQUIT No (Quit)
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This signal is generated by the tty driver
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This signal is generated by the
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.Xr tty 4
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driver
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when the user presses the quit character, normally control-backspace.
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The default action is to terminate the process and dump core.
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The number for
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@ -369,8 +372,9 @@ The number for
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is 17.
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.\" ************
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.It Dv SIGTSTP No (Suspended)
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This signal is generated by the tty driver
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This signal is generated by the
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.Xr tty 4
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driver
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when the user presses the stop character, normally control-Z.
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The default action is to stop the process.
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The number for
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@ -417,8 +421,9 @@ in old System V versions and today many systems provide both
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spellings.
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.\" ************
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.It Dv SIGTTIN No (Stopped (tty input))
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This signal is generated by the tty driver
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This signal is generated by the
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.Xr tty 4
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driver
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when a process that is not in the foreground of its controlling
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terminal attempts to read from this terminal.
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The default action is to stop the process.
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@ -427,8 +432,9 @@ The number for
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is 21.
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.\" ************
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.It Dv SIGTTOU No (Stopped (tty output))
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This signal is generated by the tty driver
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This signal is generated by the
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.Xr tty 4
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driver
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when a process that is not in the foreground of its controlling
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terminal attempts to write to this terminal, if the terminal is
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configured accordingly, which is not the default.
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@ -515,8 +521,9 @@ The number for
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is 27.
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.\" ************
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.It Dv SIGWINCH No (Window size changed)
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This signal is generated by the tty driver
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This signal is generated by the
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.Xr tty 4
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driver
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when the stored window size of the process's controlling terminal has
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changed.
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The default action is to do nothing.
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@ -525,8 +532,9 @@ The number for
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is 28.
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.\" ************
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.It Dv SIGINFO No (Information request)
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This signal is generated by the tty driver
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This signal is generated by the
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.Xr tty 4
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driver
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when the user presses the status request character, normally
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control-T.
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The default action is to do nothing.
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