Add a comment about an unused enum

So I can find it and remove it in 3.x

1 files changed, 1 insertions, 0 deletions

diff --git a/src/lib/pubkey/x509_key.h b/src/lib/pubkey/x509_key.h
index d4f54fa57..58d537bbe 100644
--- a/src/lib/pubkey/x509_key.h
+++ b/src/lib/pubkey/x509_key.h
@@ -20,6 +20,7 @@ class DataSource;
 
 /**
 * The two types of X509 encoding supported by Botan.
+* This enum is not used anymore, and will be removed in a future major release.
 */
 enum X509_Encoding { RAW_BER, PEM };