- form, i.e., the <STRONG>^</STRONG><EM>X</EM> notation used by <STRONG><A HREF="unctrl.3x.html">unctrl(3x)</A></STRONG>. Calling <STRONG>winch</STRONG> after
- adding a nonprintable character does not return the character itself,
- but instead returns the printable representation of the character.
+ form, using the same convention as <STRONG><A HREF="unctrl.3x.html">unctrl(3x)</A></STRONG>:
+
+ <STRONG>o</STRONG> Control characters are displayed in the <STRONG>^</STRONG><EM>X</EM> notation.
+
+ <STRONG>o</STRONG> Values above 128 are either meta characters (if the screen has not
+ been initialized, or if <STRONG><A HREF="curs_inopts.3x.html">meta(3x)</A></STRONG> has been called with a <STRONG>TRUE</STRONG> E
+ parameter), shown in the <STRONG>M-</STRONG><EM>X</EM> notation, or are displayed as
+ themselves. In the latter case, the values may not be printable;
+ this follows the X/Open specification.
+
+ Calling <STRONG>winch</STRONG> after adding a nonprintable character does not return the
+ character itself, but instead returns the printable representation of
+ the character.