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- * Copyright (c) 2010-2018,2019 Free Software Foundation, Inc. *
+ * Copyright 2018-2019,2020 Thomas E. Dickey *
+ * Copyright 2010-2015,2017 Free Software Foundation, Inc. *
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- * @Id: curs_variables.3x,v 1.12 2019/02/16 23:43:23 tom Exp @
+ * @Id: curs_variables.3x,v 1.15 2020/04/18 14:29:07 tom Exp @
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<STRONG><A HREF="addch.3x.html">ch(3x)</A></STRONG> as well as the physical screen with <STRONG><A HREF="curs_terminfo.3x.html">mvcur(3x)</A></STRONG>.
<STRONG>o</STRONG> This implementation uses the current value of <STRONG>TABSIZE</STRONG> only for up-
- dating the virtual screen. It uses the terminal description's
- <STRONG>init_tabs</STRONG> capability for computing tab stops on the physical
- screen.
+ dating the virtual screen. It uses the terminal description's <STRONG>it</STRONG>
+ (<STRONG>init_tabs</STRONG>) capability for computing hardware tabs (i.e., tab stops
+ on the physical screen).
<STRONG>o</STRONG> Other implementations differ. For instance, NetBSD curses allows
<STRONG>TABSIZE</STRONG> to be set through an environment variable. This implemen-
tation does not.
+ NetBSD curses does not support hardware tabs; it uses the <STRONG>init_tabs</STRONG>
+ capability and the <STRONG>TABSIZE</STRONG> variable only for updating the virtual
+ screen.
+
<STRONG>ESCDELAY</STRONG> is an extension in AIX curses:
<STRONG>o</STRONG> In AIX, the units for <STRONG>ESCDELAY</STRONG> are <EM>fifths</EM> of a millisecond.
projects / ncurses.git / blobdiff