curl_version_info.3: CURL_VERSION_KERBEROS4 is deprecated

bagder · bagder · commit 54f21be2e3a6 · 2020-07-03T00:15:51.000+02:00
This came up in #5640. It make sense to clarify this in the docs! Reminded-by: Kamil Dudka Closes #5642
diff --git a/docs/libcurl/curl_version_info.3 b/docs/libcurl/curl_version_info.3
@@ -150,7 +150,7 @@ letters. (Added in 7.12.0)
 .IP CURL_VERSION_IPV6
 supports IPv6
 .IP CURL_VERSION_KERBEROS4
-supports Kerberos V4 (when using FTP)
+supports Kerberos V4 (when using FTP). Legacy bit. Deprecated since 7.33.0.
 .IP CURL_VERSION_KERBEROS5
 supports Kerberos V5 authentication for FTP, IMAP, POP3, SMTP and SOCKSv5 proxy
 (Added in 7.40.0)
