ted symbols</b> that are defined when a plot is drawn:<br />
	- Symbols LEV* show information about levels settings from the last color or contour plot. Symbol LEV_DEL was sometimes incorrect. This is fixed.<br />
	- AX_HORIZ an AX_VERT list the grid directions that are shown on the plot. For some plots with overlays, these were incorrect. This is fixed.<br />
	 </li>
<li>There are fixes to <b>POLYGON plots</b> and <b>RIBBON plots</b>, when there are missing values in the location data.<br />
	 </li>
<li>