Whenever a '+' or '-' prefixed keyword is encountered, it is applied
to the current <SAMP>IndexOptions</SAMP> settings (which may have been
inherited from an upper-level directory). However, whenever an unprefixed
-keyword is processed, it clears all incremental settings. Consider
-the following example:
+keyword is processed, it clears all inherited options and any incremental
+settings encountered so far. Consider the following example:
</P>
<BLOCKQUOTE><CODE>IndexOptions +ScanHTMLTitles -IconsAreLinks FancyIndexing
<BR>
</P>
<P>
To unconditionally set the <CODE>IndexOptions</CODE> for a
-particular directory, clearing the inherited settings, use
+particular directory, clearing the inherited settings, specify
+keywords without either '+' or '-' prefixes.
</P>
-<BLOCKQUOTE><CODE>
-IndexOptions None
-<BR>
-IndexOptions <EM>new-setting</EM> ...
-</CODE></BLOCKQUOTE>
</DD>
</DL>
<HR>