-</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
- Note that <STRONG>bkgrnd</STRONG>, <STRONG>bkgrndset</STRONG>, and <STRONG>getbkgrnd</STRONG> may be macros.
+ <EM>ncurses</EM> treats a background character value of zero (0) as a blank
+ character.
+
+ If the terminal does not support color, or if color has not been
+ initialized with <STRONG><A HREF="curs_color.3x.html">start_color(3x)</A></STRONG>, <EM>ncurses</EM> ignores the new background
+ character's color attribute.
+
+
+</PRE><H3><a name="h3-bkgrndset_-wbkgrndset">bkgrndset, wbkgrndset</a></H3><PRE>
+ <STRONG>bkgrndset</STRONG> and <STRONG>wbkgrndset</STRONG> manipulate the background of the applicable
+ window, without updating the character cells as <STRONG>bkgrnd</STRONG> and <STRONG>wbkgrnd</STRONG> do;
+ only future writes reflect the updated background.