Update the documentation to clearly describe how the server responds when a
client sends an invalid or malformed `want` line during the HTTP protocol
exchange. The server includes the offending object name in its error message.
Signed-off-by: Queen Ediri Jessa <qjessa662@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
TODO: Define error if no "want" lines are requested.
If any "want" object is not reachable, send an error:
-TODO: Define error if an invalid "want" is requested.
+When a Git server receives an invalid or malformed `want` line, it
+responds with an error message that includes the offending object name.
Create an empty list, `s_common`.