changelog of the current development status, as one or more of these problems
may have been fixed since this was written!
-58. It seems sensible to be able to use CURLOPT_NOBODY and
+61. If an upload using Expect: 100-continue receives an HTTP 417 response,
+ it ought to be automatically resent without the Expect:. A workaround is
+ for the client application to redo the transfer after disabling Expect:.
+ http://curl.haxx.se/mail/archive-2008-02/0043.html
+
+60. libcurl closes the connection if an HTTP 401 reply is received while it
+ is waiting for the the 100-continue response.
+ http://curl.haxx.se/mail/lib-2008-08/0462.html
+
+59. If the CURLOPT_PORT option is used on an FTP URL like
+ "ftp://example.com/file;type=A" the ";type=A" is stripped off.
+
+58. It seems sensible to be able to use CURLOPT_NOBODY and
CURLOPT_FAILONERROR with FTP to detect if a file exists or not, but it is
not working: http://curl.haxx.se/mail/lib-2008-07/0295.html