Do you mean, Synaptic uses system settings through environment variables if proxy setting local to synaptic is not set, but can use its own, and does so if you set a proxy through its preferences? If so, sorry for the misunderstanding.
Do you mean, Synaptic uses system settings through environment variables if proxy setting local to synaptic is not set, but can use its own, and does so if you set a proxy through its preferences? If so, sorry for the misunderstanding.