X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=doc%2Fhtml%2Fman%2Ftabs.1.html;h=4355d49981425ec4dce3554afe4b9fe124cc0a6e;hp=eef9befce21558194d5090d50f9401a735890001;hb=d30f99439fcc8d4bb4c38e5c4afb4f6555fc6ad4;hpb=5925150381bb42a4d8c7116d62c348a7b84309f3
diff --git a/doc/html/man/tabs.1.html b/doc/html/man/tabs.1.html
index eef9befc..4355d499 100644
--- a/doc/html/man/tabs.1.html
+++ b/doc/html/man/tabs.1.html
@@ -27,7 +27,7 @@
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************
- * @Id: tabs.1,v 1.27 2020/02/02 23:34:34 tom Exp @
+ * @Id: tabs.1,v 1.28 2020/12/19 21:50:22 tom Exp @
-->
@@ -63,20 +63,21 @@
stty tab0
Like clear(1), tabs writes to the standard output. You can redirect
- the standard output to a file (which prevents tabs from actually chang-
- ing the tabstops), and later cat the file to the screen, setting tab-
- stops at that point.
-
- These are hardware tabs, which cannot be queried rapidly by applica-
- tions running in the terminal, if at all. Curses and other full-screen
- applications may use hardware tabs in optimizing their output to the
- terminal. If the hardware tabstops differ from the information in the
- terminal database, the result is unpredictable. Before running curses
- programs, you should either reset tab-stops to the standard interval
+ the standard output to a file (which prevents tabs from actually
+ changing the tabstops), and later cat the file to the screen, setting
+ tabstops at that point.
+
+ These are hardware tabs, which cannot be queried rapidly by
+ applications running in the terminal, if at all. Curses and other
+ full-screen applications may use hardware tabs in optimizing their
+ output to the terminal. If the hardware tabstops differ from the
+ information in the terminal database, the result is unpredictable.
+ Before running curses programs, you should either reset tab-stops to
+ the standard interval
tabs -8
- or use the reset program, since the normal initialization sequences do
+ or use the reset program, since the normal initialization sequences do
not ensure that tab-stops are reset.
@@ -84,29 +85,29 @@
-Tname
- Tell tabs which terminal type to use. If this option is not
- given, tabs will use the $TERM environment variable. If that is
+ Tell tabs which terminal type to use. If this option is not
+ given, tabs will use the $TERM environment variable. If that is
not set, it will use the ansi+tabs entry.
- -d The debugging option shows a ruler line, followed by two data
- lines. The first data line shows the expected tab-stops marked
- with asterisks. The second data line shows the actual tab-stops,
+ -d The debugging option shows a ruler line, followed by two data
+ lines. The first data line shows the expected tab-stops marked
+ with asterisks. The second data line shows the actual tab-stops,
marked with asterisks.
- -n This option tells tabs to check the options and run any debugging
+ -n This option tells tabs to check the options and run any debugging
option, but not to modify the terminal settings.
-V reports the version of ncurses which was used in this program, and
exits.
The tabs program processes a single list of tab stops. The last option
- to be processed which defines a list is the one that determines the
+ to be processed which defines a list is the one that determines the
list to be processed.
- Use a single number as an option, e.g., "-5" to set tabs at the given
- interval (in this case 1, 6, 11, 16, 21, etc.). Tabs are repeated up
+ Use a single number as an option, e.g., "-5" to set tabs at the given
+ interval (in this case 1, 6, 11, 16, 21, etc.). Tabs are repeated up
to the right margin of the screen.
Use "-0" to clear all tabs.
@@ -115,15 +116,15 @@
- An explicit list can be defined after the options (this does not use a
- "-"). The values in the list must be in increasing numeric order, and
- greater than zero. They are separated by a comma or a blank, for exam-
- ple,
+ An explicit list can be defined after the options (this does not use a
+ "-"). The values in the list must be in increasing numeric order, and
+ greater than zero. They are separated by a comma or a blank, for
+ example,
tabs 1,6,11,16,21
tabs 1 6 11 16 21
- Use a "+" to treat a number as an increment relative to the previous
+ Use a "+" to treat a number as an increment relative to the previous
value, e.g.,
tabs 1,+5,+5,+5,+5
@@ -154,59 +155,59 @@
- IEEE Std 1003.1/The Open Group Base Specifications Issue 7
+ IEEE Std 1003.1/The Open Group Base Specifications Issue 7
(POSIX.1-2008) describes a tabs utility. However
- o This standard describes a +m option, to set a terminal's left-mar-
- gin. Very few of the entries in the terminal database provide the
- smgl (set_left_margin) or smglp (set_left_margin_parm) capability
- needed to support the feature.
+ o This standard describes a +m option, to set a terminal's left-
+ margin. Very few of the entries in the terminal database provide
+ the smgl (set_left_margin) or smglp (set_left_margin_parm)
+ capability needed to support the feature.
- o There is no counterpart in X/Open Curses Issue 7 for this utility,
+ o There is no counterpart in X/Open Curses Issue 7 for this utility,
unlike tput(1).
- The -d (debug) and -n (no-op) options are extensions not provided by
+ The -d (debug) and -n (no-op) options are extensions not provided by
other implementations.
- A tabs utility appeared in PWB/Unix 1.0 (1977). There was a reduced
- version of the tabs utility in Unix 7th edition and in 3BSD (1979).
- The latter supported a single "-n" option (to cause the first tab stop
+ A tabs utility appeared in PWB/Unix 1.0 (1977). There was a reduced
+ version of the tabs utility in Unix 7th edition and in 3BSD (1979).
+ The latter supported a single "-n" option (to cause the first tab stop
to be set on the left margin). That option is not documented by POSIX.
- The PWB/Unix tabs utility, which was included in System III (1980),
- used built-in tables rather than the terminal database, to support a
- half-dozen terminal types. It also had built-in logic to support the
- left-margin, as well as a feature for copying the tab settings from a
+ The PWB/Unix tabs utility, which was included in System III (1980),
+ used built-in tables rather than the terminal database, to support a
+ half-dozen terminal types. It also had built-in logic to support the
+ left-margin, as well as a feature for copying the tab settings from a
file.
- Later versions of Unix, e.g., SVr4, added support for the terminal
- database, but kept the tables, as a fallback. In an earlier develop-
- ment effort, the tab-stop initialization provided by tset (1982) and
- incorporated into tput uses the terminal database,
+ Later versions of Unix, e.g., SVr4, added support for the terminal
+ database, but kept the tables, as a fallback. In an earlier
+ development effort, the tab-stop initialization provided by tset (1982)
+ and incorporated into tput uses the terminal database,
- POSIX documents no limits on the number of tab stops. Documentation
+ POSIX documents no limits on the number of tab stops. Documentation
for other implementations states that there is a limit on the number of
- tab stops (e.g., 20 in PWB/Unix's tabs utility). While some terminals
- may not accept an arbitrary number of tab stops, this implementation
- will attempt to set tab stops up to the right margin of the screen, if
+ tab stops (e.g., 20 in PWB/Unix's tabs utility). While some terminals
+ may not accept an arbitrary number of tab stops, this implementation
+ will attempt to set tab stops up to the right margin of the screen, if
the given list happens to be that long.
- The Rationale section of the POSIX documentation goes into some detail
- about the ways the committee considered redesigning the tabs and tput
+ The Rationale section of the POSIX documentation goes into some detail
+ about the ways the committee considered redesigning the tabs and tput
utilities, without proposing an improved solution. It comments that
- no known historical version of tabs supports the capability of
+ no known historical version of tabs supports the capability of
setting arbitrary tab stops.
- However, the Explicit Lists described in this manual page were imple-
- mented in PWB/Unix. Those provide the capability of setting abitrary
- tab stops.
+ However, the Explicit Lists described in this manual page were
+ implemented in PWB/Unix. Those provide the capability of setting
+ abitrary tab stops.
- tset(1), infocmp(1m), curses(3x), terminfo(5).
+ infocmp(1m), tset(1), curses(3x), terminfo(5).
- This describes ncurses version 6.2 (patch 20201212).
+ This describes ncurses version 6.2 (patch 20210403).