PK_render_self_hidden_t    


typedef int PK_render_self_hidden_t;


This data type is used to determine whether or not a distinction will be
made between lines hidden by faces of their own occurrence and lines hidden
by faces of another occurrence.  It has the values:
    PK_render_self_hidden_no_c  : do not distinguish between lines hidden
                                    by their own or another occurrence
    PK_render_self_hidden_yes_c : distinguish between lines hidden
                                    by their own or another occurrence