doc: mention the version after which gnutls_pem_base64_en/decode2() are available

diff --git a/lib/x509_b64.c b/lib/x509_b64.c
index d9527b2bd9a38d28f0edc6ac12e9ce4440787bb4..68bb0e95fb0a3d459c47c08147f9c658639ab6a4 100644 (file)
--- a/lib/x509_b64.c
+++ b/lib/x509_b64.c
@@ -170,8 +170,14 @@ gnutls_pem_base64_encode(const char *msg, const gnutls_datum_t * data,
  *
  * You should use gnutls_free() to free the returned data.
  *
+ * Note, that prior to GnuTLS 3.4.0 this function was available
+ * under the name gnutls_pem_base64_encode_alloc(). There is
+ * compatibility macro pointing to this function.
+ *
  * Returns: On success, %GNUTLS_E_SUCCESS (0) is returned, otherwise
  *   an error code is returned.
+ *
+ * Since: 3.4.0
  **/
 int
 gnutls_pem_base64_encode2(const char *msg,
@@ -399,8 +405,14 @@ gnutls_pem_base64_decode(const char *header,
  *
  * You should use gnutls_free() to free the returned data.
  *
+ * Note, that prior to GnuTLS 3.4.0 this function was available
+ * under the name gnutls_pem_base64_decode_alloc(). There is
+ * compatibility macro pointing to this function.
+ *
  * Returns: On success, %GNUTLS_E_SUCCESS (0) is returned, otherwise
  *   an error code is returned.
+ *
+ * Since: 3.4.0
  **/
 int
 gnutls_pem_base64_decode2(const char *header,