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- * @Id: curs_addch.3x,v 1.56 2021/06/17 21:30:22 tom Exp @
+ * @Id: curs_addch.3x,v 1.58 2021/12/25 20:18:06 tom Exp @
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<H1 class="no-header">curs_addch 3x</H1>
</PRE><H3><a name="h3-ACS-Symbols">ACS Symbols</a></H3><PRE>
- X/Open Curses states that the <EM>ACS</EM><STRONG>_</STRONG> definitions are <STRONG>char</STRONG> constants. For
+ X/Open Curses states that the <STRONG>ACS_</STRONG> definitions are <STRONG>char</STRONG> constants. For
the wide-character implementation (see <STRONG>curs_add_wch</STRONG>), there are
- analogous <EM>WACS</EM><STRONG>_</STRONG> definitions which are <STRONG>cchar_t</STRONG> constants. Some
+ analogous <STRONG>WACS_</STRONG> definitions which are <STRONG>cchar_t</STRONG> constants. Some
implementations are problematic:
<STRONG>o</STRONG> Some implementations define the ACS symbols to a constant (such as
NetBSD also uses an array, actually named <STRONG>_acs_char</STRONG>, with a <STRONG>#define</STRONG>
for compatibility.
- <STRONG>o</STRONG> HPUX curses equates some of the <EM>ACS</EM><STRONG>_</STRONG> symbols to the analogous <EM>WACS</EM><STRONG>_</STRONG>
- symbols as if the <EM>ACS</EM><STRONG>_</STRONG> symbols were wide characters. The
+ <STRONG>o</STRONG> HPUX curses equates some of the <STRONG>ACS_</STRONG> symbols to the analogous <STRONG>WACS_</STRONG>
+ symbols as if the <STRONG>ACS_</STRONG> symbols were wide characters. The
misdefined symbols are the arrows and other symbols which are not
used for line-drawing.
implementations use <STRONG>i</STRONG> (lowercase).
None of the terminal descriptions on Unix platforms use uppercase-
- I, except for Solaris (i.e., <EM>screen</EM>'s terminal description,
+ I, except for Solaris (i.e., <STRONG>screen</STRONG>'s terminal description,
apparently based on the X/Open documentation around 1995). On the
other hand, the terminal description <EM>gs6300</EM> (AT&T PC6300 with EMOTS
Terminal Emulator) uses lowercase-i.
second-hand list of their character descriptions has come to light.
The ACS-prefixed names for them were invented for <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>.
- The <EM>displayed</EM> values for the <EM>ACS</EM><STRONG>_</STRONG> and <EM>WACS</EM><STRONG>_</STRONG> constants depend on
+ The <EM>displayed</EM> values for the <STRONG>ACS_</STRONG> and <STRONG>WACS_</STRONG> constants depend on
<STRONG>o</STRONG> the library configuration, i.e., <STRONG>ncurses</STRONG> versus <STRONG>ncursesw</STRONG>, where the
latter is capable of displaying Unicode while the former is not,
projects / ncurses.git / blobdiff