c067d295_nuPG_Commands___Key_Management__en_revoked_and_unrevoked_keys_
[include-revoked] use-temp-files
On most Unix-like platforms, GnuPG communicates with the keyserver helper program via pipes, which is the most efficient method. This option forces GnuPG to use temporary files to communicate. On some platforms (such as Win32 and RISC OS), this option is always enabled.
GnuPG Commands - Key Management
When receiving or searching for a key, include keys that are marked on the keyserver as revoked. Note that this option is always set when using the NAI HKP keyserver, as this keyserver does not differentiate between revoked and unrevoked keys.