Not for this RHL release, but consider for the next one.
Recent versions of WindowMaker have the annoying habit of attempting to
keep track of the number of instances of a given app you have open, and
ones beyond the first get numbered    etc. in their titlebars and
icons. This *really* detracts from the nice clean look and feel, and it's
pointless anyways as it doesn't really do a very good job. Luckily, there's
a patch that fixes this:
Please consider applying this. Thanks!
Have a look at WindowMaker-0.80.1-3 in rawhide
I've been assured by the WM folks that the icin behaviour in that rawhide
package is correct.