+/**
+ * modest_text_utils_join_addresses:
+ * @from: comma separated string of addresses
+ * @to: comma separated string of addresses
+ * @cc: comma separated string of addresses
+ * @bcc: comma separated string of addresses
+ *
+ * joins all the addresses in a single comma-separated string
+ *
+ * Returns: a newly allocated string with a list of addresses
+ **/
+gchar *modest_text_utils_join_addresses (const gchar *from,
+ const gchar *to,
+ const gchar *cc,
+ const gchar *bcc);