+struct table_item_text *
+table_item_text_create (const char *content)
+{
+ if (!content)
+ return NULL;
+
+ struct table_item_text *text = xmalloc (sizeof *text);
+ *text = (struct table_item_text) { .content = xstrdup (content) };
+ return text;
+}
+
+struct table_item_text *
+table_item_text_clone (const struct table_item_text *old)
+{
+ if (!old)
+ return NULL;
+
+ struct table_item_text *new = xmalloc (sizeof *new);
+ *new = (struct table_item_text) {
+ .content = xstrdup (old->content),
+ .footnotes = xmemdup (old->footnotes,
+ old->n_footnotes * sizeof *old->footnotes),
+ .n_footnotes = old->n_footnotes,
+ .style = area_style_clone (NULL, old->style),
+ };
+ return new;
+}
+
+void
+table_item_text_destroy (struct table_item_text *text)
+{
+ if (text)
+ {
+ free (text->content);
+ free (text->footnotes);
+ area_style_free (text->style);
+ free (text);
+ }
+}
+
+void
+table_item_layer_copy (struct table_item_layer *dst,
+ const struct table_item_layer *src)
+{
+ dst->content = xstrdup (src->content);
+ dst->footnotes = xmemdup (src->footnotes,
+ src->n_footnotes * sizeof *src->footnotes);
+ dst->n_footnotes = src->n_footnotes;
+}
+
+void
+table_item_layer_uninit (struct table_item_layer *layer)
+{
+ if (layer)
+ {
+ free (layer->content);
+ free (layer->footnotes);
+ }
+}
+
+struct table_item_layers *
+table_item_layers_clone (const struct table_item_layers *old)
+{
+ if (!old)
+ return NULL;
+
+ struct table_item_layers *new = xmalloc (sizeof *new);
+ *new = (struct table_item_layers) {
+ .layers = xnmalloc (old->n_layers, sizeof *new->layers),
+ .n_layers = old->n_layers,
+ .style = area_style_clone (NULL, old->style),
+ };
+ for (size_t i = 0; i < new->n_layers; i++)
+ table_item_layer_copy (&new->layers[i], &old->layers[i]);
+ return new;
+}
+
+void
+table_item_layers_destroy (struct table_item_layers *layers)
+{
+ if (layers)
+ {
+ for (size_t i = 0; i < layers->n_layers; i++)
+ table_item_layer_uninit (&layers->layers[i]);
+ free (layers->layers);
+ area_style_free (layers->style);
+ free (layers);
+ }
+}
+