In fairness to Gide: Gide is describing Wilde after he had come back from Naples in the year 1898, not in 1897, when he had just come out of prison.
Appendix Page 438 Line 20.

Forgive me if I say it, but I think your method of sneering at Curzon unworthy of Frank Harris.

Sneer by all means; but not in that particular way.
[Robert Ross is mistaken here: no sneer was intended.

I added Curzon's title to avoid giving myself the air of an intimate.

F.H.] Page 488 Line 17.