-void spv_writer_open_heading (struct spv_writer *, const char *command_id,
- const char *label);
-void spv_writer_close_heading (struct spv_writer *);
-
-void spv_writer_put_text (struct spv_writer *, const struct text_item *,
- const char *command_id);
-void spv_writer_put_table (struct spv_writer *, const struct pivot_table *);
-
-void spv_writer_eject_page (struct spv_writer *);
-