ncurses 6.2 - patch 20210904

[ncurses.git] / man / tput.1

diff --git a/man/tput.1 b/man/tput.1
index bc2acaabb2d3d69438edaf45f140d65ae6365a20..f02ec5338d2fda25f162c78d7b8d8b67b18e3eee 100644 (file)
--- a/man/tput.1
+++ b/man/tput.1
@@ -1,6 +1,6 @@
 '\" t
 .\"***************************************************************************
-.\" Copyright 2018,2020 Thomas E. Dickey                                     *
+.\" Copyright 2018-2020,2021 Thomas E. Dickey                                *
 .\" Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -28,7 +28,7 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: tput.1,v 1.63 2020/02/02 23:34:34 tom Exp $
+.\" $Id: tput.1,v 1.70 2021/09/04 19:02:50 tom Exp $
 .TH @TPUT@ 1 ""
 .ds d @TERMINFO@
 .ds n 1
@@ -276,7 +276,7 @@ named \fBinit\fP has a more well-established use.
 .PP
 Besides the special commands (e.g., \fBclear\fP),
 @TPUT@ treats certain terminfo capabilities specially:
-\fBlines\fP and \fBcolumns\fP.
+\fBlines\fP and \fBcols\fP.
 @TPUT@ calls \fBsetupterm\fP(3X) to obtain the terminal size:
 .bP
 first, it gets the size from the terminal database
@@ -436,10 +436,21 @@ T}
 The \fBtput\fP command was begun by Bill Joy in 1980.
 The initial version only cleared the screen.
 .PP
-AT&T System V provided a different \fBtput\fP command,
-whose \fBinit\fP and \fBreset\fP  subcommands
+AT&T System V provided a different \fBtput\fP command:
+.bP
+SVr2 provided a rudimentary \fBtput\fP
+which checked the parameter against each
+predefined capability and returned the corresponding value.
+This version of \fBtput\fP did not use \fBtparm\fP(3X) for
+the capabilities which are parameterized.
+.bP
+SVr3 replaced that, a year later, by a more extensive program
+whose \fBinit\fP and \fBreset\fP subcommands
 (more than half the program) were incorporated from
 the \fBreset\fP feature of BSD \fBtset\fP written by Eric Allman.
+.bP
+SVr4 added color initialization using the \fIorig_colors\fP and
+\fIorig_pairs\fP capabilities in the \fBinit\fP subcommand.
 .PP
 Keith Bostic replaced the BSD \fBtput\fP command in 1989
 with a new implementation
@@ -530,7 +541,7 @@ features used in the \fBcup\fR example,
 were not supported in BSD curses before 4.3reno (1989) or in
 AT&T/USL curses before SVr4 (1988).
 .PP
-IEEE Std 1003.1/The Open Group  Base Specifications Issue 7 (POSIX.1-2008) 
+IEEE Std 1003.1/The Open Group  Base Specifications Issue 7 (POSIX.1-2008)
 documents only the operands for \fBclear\fP, \fBinit\fP and \fBreset\fP.
 There are a few interesting observations to make regarding that:
 .bP
@@ -547,6 +558,9 @@ A few platforms such as FreeBSD recognize termcap names rather
 than terminfo capability names in their respective \fBtput\fP commands.
 Since 2010, NetBSD's \fBtput\fP uses terminfo names.
 Before that, it (like FreeBSD) recognized termcap names.
+.IP
+Beginning in 2021, FreeBSD uses the ncurses \fBtput\fP,
+configured for both terminfo (tested first) and termcap (as a fallback).
 .PP
 Because (apparently) \fIall\fP of the certified Unix systems
 support the full set of capability names, the reasoning for documenting
@@ -590,8 +604,8 @@ to either ncurses or X/Open.
 \fBstty\fR(1),
 \fB@TABS@\fR(\*n),
 \fB@TSET@\fR(\*n),
-\fBterminfo\fR(5),
-\fBcurs_termcap\fR(3X).
+\fBcurs_termcap\fR(3X),
+\fBterminfo\fR(5).
 .PP
 This describes \fBncurses\fR
 version @NCURSES_MAJOR@.@NCURSES_MINOR@ (patch @NCURSES_PATCH@).