The form data sent to the server should be application/x-www-form-urlencoded
This replaces spaces with '+' before being RFC 11738 encoded, so a literal '+' must be %-encoded also. See https://cygwin.com/ml/cygwin/2014-01/msg00287.html et seq. Signed-off-by: Jon Turney <jon.tur...@dronecode.org.uk> --- winsup/utils/cygcheck.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/winsup/utils/cygcheck.cc b/winsup/utils/cygcheck.cc index d1e27b7..e745b20 100644 --- a/winsup/utils/cygcheck.cc +++ b/winsup/utils/cygcheck.cc @@ -2009,8 +2009,8 @@ check_keys () return 0; } -/* RFC1738 says that these do not need to be escaped. */ -static const char safe_chars[] = "$-_.+!*'(),"; +/* These do not need to be escaped in application/x-www-form-urlencoded */ +static const char safe_chars[] = "$-_.!*'(),"; /* the URL to query. */ static const char base_url[] = -- 2.8.3