typedef int PK_render_unfix_t;
This field can take any one of the following values.
PK_render_unfix_no_c : no rendering of unfixed blends (default)
PK_render_unfix_attrib_c : render unfixed blends as defined by blend
attribute
PK_render_unfix_yes_c : render unfixed blends using spec in
PK_TOPOL_render_line_o_t