No-op draw polygon with GTK_SHADOW_NONE?

[BJerrick easystreet com]

    From the gtk_default_draw_polygon() code in gtkstyle.c, and
from experiments, it would appear that drawing a polygon with
GTK_SHADOW_NONE is a no-op.

    (The switch at the top of gtk_default_draw_polygon() has no
case for GTK_SHADOW_NONE, so the default label is taken, which does
an immediate return.)

    Can this be so?  Am I missing something?  It seems like a major
omission.

Bruce Jerrick
Portland, Oregon, USA
email:   bjerrick easystreet com