What does the "image_name" field in the Area structure do?

[Eric McDonald]

mskala@ansuz.sooke.bc.ca wrote:
> I wonder if the present discussion of using an image for the map may have
> already been visited.  It appears that there is an "image_name" property
> associated with each "area", and the read and write code will load and
> save it in GDL files, but it doesn't seem to be referenced anywhere else.

There is a minuscule reference to this being added in 'ChangeLog-1996' 
by Stan. But, in the changelogs, I see no other reference to it being 
put to good use.

Eric