gint ev_page_cache_get_max_label_chars (EvPageCache *page_cache);
char *ev_page_cache_get_page_label (EvPageCache *page_cache,
gint page);
gint ev_page_cache_get_max_label_chars (EvPageCache *page_cache);
char *ev_page_cache_get_page_label (EvPageCache *page_cache,
gint page);