> +	const PluginExtensionEntry *entry_b = b;
+
+	return entry_b->priority - entry_a->priority;
+}
+
+
+GEANY_API_SYMBOL
+void plugin_extension_register(PluginExtension *extension, const gchar *plugin_name,
+	gint priority, gpointer data)
+{
+	PluginExtensionEntry *entry = g_malloc(sizeof *entry);
+
+	entry->extension = extension;
+	entry->data = data;
+	entry->priority = priority;
+	entry->plugin_name = g_strdup(plugin_name ? plugin_name : "unnamed plugin");