+/**
+ * modest_text_utils_buffer_selection_is_valid:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Checks if @buffer contains a valid selection for cut/copy. This means it's
+ * not empty, and no images are in the selection.
+ *
+ * Returns: %TRUE if there's a valid selection, false otherwise.
+ */
+gboolean modest_text_utils_buffer_selection_is_valid (GtkTextBuffer *buffer);
+
+/**
+ * modest_text_utils_escape_mnemonics:
+ * @text: a string
+ *
+ * obtains the representation of text, but escaping mnemonics (we duplicate _)
+ *
+ * Returns: a newly allocated string
+ */
+gchar *modest_text_utils_escape_mnemonics (const gchar *text);
+
+/**
+ * modest_text_utils_simplify_recipients:
+ * @recipients: a list of recipients
+ *
+ * returns a list of simplified recipients:
+ * * a@b <a@b> converted to a@b
+ * * NULL converted to ""
+ *
+ * It's mainly intended for printing in screen addresses, but it can
+ * also be used for reply/forward.
+ */
+gchar *modest_text_utils_simplify_recipients (const gchar *recipient);
+
+/**
+ * modest_text_utils_remove_duplicate_addresses_list
+ * @address_list: non-NULL #GSList of email addresses
+ *
+ * remove duplicate addresses from a list of email addresses
+ *
+ * Returns: a list without the duplicate addresses or NULL in case of
+ * error or the original @address_list was NULL
+ */
+GSList *modest_text_utils_remove_duplicate_addresses_list (GSList *address_list);
+
+/**
+ * modest_text_utils_get_secure_header:
+ * @value: the value of a mail header
+ * @header: the header that we're evaluating
+ *
+ * This function returns the secure value for a header. Basically it
+ * avoids DoS attacks caused by specially malformed headers like for
+ * example. From:From:From...From: some@mail.com
+ *
+ * Returns: returns the secured header
+ **/
+gchar * modest_text_utils_get_secure_header (const gchar *value, const gchar *header);