This text is from the current (".") directory. It contains the second legend AND it controls the background. In addition, it demonstrates an:

HTML PAGE

By using a thin color bar at the top, this page gives just html in the figure legend.

One may put anything one wants on such a page, such as images:

How to Control Page Parameters

The color commands are inside an html comment which looks like this:

<!--
Set the colors of background and links.
SlideShow: bgcolor yellow
SlideShow: text blue
SlideShow: link red
SlideShow: vlink #FF00FF
SlideShow: alink blue
-->

More details are in the usage information that is printed if you run the showscript command without any parameters.

NOTE BENE: If you decide to put white text on a background, it may look cool BUT it will not print on a printer since (usually) the background is not printed and you will get white on white.

This is an unfollowed and unfollowable link so its color is different from the others.