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KNOWN_BUGS: remove eight entries

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- 1.2 Multiple methods in a single WWW-Authenticate: header

This is not considered a bug anymore but a restriction and one that we
keep because we have NEVER gotten this reported by users in the wild and
because of this I consider this a fringe edge case we don't need to
support.

- 1.6 Unnecessary close when 401 received waiting for 100

This is not a bug, but possibly an optimization that *can* be done.

- 1.7 Deflate error after all content was received

This is not a curl bug. This happens due to broken servers.

- 2.1 CURLINFO_SSL_VERIFYRESULT has limited support

This is not a bug. This is just the nature of the implementation.

- 2.2 DER in keychain

This is not a bug.

- 5.7 Visual Studio project gaps

This is not a bug.

- 15.14 cmake build is not thread-safe

Fixed in 109e9730ee

- 11.3 Disconnects do not do verbose

This is not a bug.

Closes #9871
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@ -12,18 +12,13 @@ check the changelog of the current development status, as one or more of these
problems may have been fixed or changed somewhat since this was written.
1. HTTP
1.2 Multiple methods in a single WWW-Authenticate: header
1.3 STARTTRANSFER time is wrong for HTTP POSTs
1.4 multipart formposts file name encoding
1.5 Expect-100 meets 417
1.6 Unnecessary close when 401 received waiting for 100
1.7 Deflate error after all content was received
1.8 DoH is not used for all name resolves when enabled
1.11 CURLOPT_SEEKFUNCTION not called with CURLFORM_STREAM
2. TLS
2.1 CURLINFO_SSL_VERIFYRESULT has limited support
2.2 DER in keychain
2.3 Unable to use PKCS12 certificate with Secure Transport
2.4 Secure Transport will not import PKCS#12 client certificates without a password
2.5 Client cert handling with Issuer DN differs between backends
@ -56,7 +51,6 @@ problems may have been fixed or changed somewhat since this was written.
5.4 Build with statically built dependency
5.5 cannot handle Unicode arguments in non-Unicode builds on Windows
5.6 make distclean loops forever
5.7 Visual Studio project gaps
5.8 configure finding libs in wrong directory
5.9 Utilize Requires.private directives in libcurl.pc
5.10 curl hangs on SMB upload over stdin
@ -110,7 +104,6 @@ problems may have been fixed or changed somewhat since this was written.
11. Internals
11.1 Curl leaks .onion hostnames in DNS
11.2 error buffer not set if connection to multiple addresses fails
11.3 Disconnects do not do verbose
11.4 HTTP test server 'connection-monitor' problems
11.5 Connection information when using TCP Fast Open
11.7 signal-based resolver timeouts
@ -149,7 +142,6 @@ problems may have been fixed or changed somewhat since this was written.
15.11 ExternalProject_Add does not set CURL_CA_PATH
15.12 cannot enable LDAPS on Windows
15.13 CMake build with MIT Kerberos does not work
15.14 cmake build is not thread-safe
16. Applications
@ -170,13 +162,6 @@ problems may have been fixed or changed somewhat since this was written.
1. HTTP
1.2 Multiple methods in a single WWW-Authenticate: header
The HTTP responses headers WWW-Authenticate: can provide information about
multiple authentication methods as multiple headers or as several methods
within a single header. The latter way, several methods in the same physical
line, is not supported by libcurl's parser. (For no good reason.)
1.3 STARTTRANSFER time is wrong for HTTP POSTs
Wrong STARTTRANSFER timer accounting for POST requests Timer works fine with
@ -202,21 +187,6 @@ problems may have been fixed or changed somewhat since this was written.
the client application to redo the transfer after disabling Expect:.
https://curl.se/mail/archive-2008-02/0043.html
1.6 Unnecessary close when 401 received waiting for 100
libcurl closes the connection if an HTTP 401 reply is received while it is
waiting for the 100-continue response.
https://curl.se/mail/lib-2008-08/0462.html
1.7 Deflate error after all content was received
There's a situation where we can get an error in an HTTP response that is
compressed, when that error is detected after all the actual body contents
have been received and delivered to the application. This is tricky, but is
ultimately a broken server.
See https://github.com/curl/curl/issues/2719
1.8 DoH is not used for all name resolves when enabled
Even if DoH is specified to be used, there are some name resolves that are
@ -240,16 +210,6 @@ problems may have been fixed or changed somewhat since this was written.
2. TLS
2.1 CURLINFO_SSL_VERIFYRESULT has limited support
CURLINFO_SSL_VERIFYRESULT is only implemented for the OpenSSL, NSS and
GnuTLS backends, so relying on this information in a generic app is flaky.
2.2 DER in keychain
Curl does not recognize certificates in DER format in keychain, but it works
with PEM. https://curl.se/bug/view.cgi?id=1065
2.3 Unable to use PKCS12 certificate with Secure Transport
See https://github.com/curl/curl/issues/5403
@ -488,20 +448,6 @@ problems may have been fixed or changed somewhat since this was written.
See https://github.com/curl/curl/issues/7716
5.7 Visual Studio project gaps
The Visual Studio projects lack some features that the autoconf and nmake
builds offer, such as the following:
- support for zlib and nghttp2
- use of static runtime libraries
- add the test suite components
In addition to this the following could be implemented:
- support for other development IDEs
- add PATH environment variables for third-party DLLs
5.8 configure finding libs in wrong directory
When the configure script checks for third-party libraries, it adds those
@ -849,24 +795,6 @@ problems may have been fixed or changed somewhat since this was written.
CURLE_COULDNT_CONNECT. But the error buffer set by CURLOPT_ERRORBUFFER
remains empty. Issue: https://github.com/curl/curl/issues/544
11.3 Disconnects do not do verbose
Due to how libcurl keeps connections alive in the "connection pool" after use
to potentially transcend the life-time of the initial easy handle that was
used to drive the transfer over that connection, it uses a *separate* and
internal easy handle when it shuts down the connection. That separate
connection might not have the same settings as the original easy handle, and
in particular it is often note-worthy that it does not have the same VERBOSE
and debug callbacks setup so that an application will not get the protocol
data for the disconnect phase of a transfer the same way it got all the other
data.
This is because the original easy handle might have already been freed at that
point and the application might not at all be prepared that the callback
would get called again long after the handle was freed.
See for example https://github.com/curl/curl/issues/6995
11.4 HTTP test server 'connection-monitor' problems
The 'connection-monitor' feature of the sws HTTP test server does not work
@ -1093,15 +1021,6 @@ problems may have been fixed or changed somewhat since this was written.
https://github.com/curl/curl/issues/6904
15.14 cmake build is not thread-safe
The cmake build does not check for and verify presence of a working Atomic
type, which then makes curl_global_init() to not build thread-safe on
non-Windows platforms.
Bug: https://github.com/curl/curl/issues/8973
Partial fix: https://github.com/curl/curl/pull/8982
16. Applications
17. HTTP/2