docs/HYPER: remove some remaining issues, add HTTP/0.9 limitation

diff --git a/docs/HYPER.md b/docs/HYPER.md
index fa17342bc6dd6e37480a763f6d3c3bfd95ad18c8..569ea5d1cec3d4457429087581eb6159b485efab 100644 (file)
--- a/docs/HYPER.md
+++ b/docs/HYPER.md
@@ -52,6 +52,7 @@ The hyper backend doesn't support
 - `--raw` and disabling `CURLOPT_HTTP_TRANSFER_DECODING`
 - RTSP
 - hyper is much stricter about what HTTP header contents it allow in requests
+- HTTP/0.9
 
 ## Remaining issues
 
@@ -61,11 +62,6 @@ still need attention and verification include:
 - multiplexed HTTP/2
 - h2 Upgrade:
 - pausing transfers
-- co-exist with a HTTP/3 build
 - receiving HTTP/1 trailers
 - sending HTTP/1 trailers
-- accept-encoding
-- transfer encoding
-- alt-svc
-- hsts
-- DoH ([#6389](https://github.com/curl/curl/issues/6389))
+