docs: clarify CURLOPT_HTTPGET somewhat

Reported-by: bsammon on github
Fixes #2590

3 files changed, 14 insertions, 9 deletions

diff --git a/docs/libcurl/opts/CURLOPT_HTTPGET.3 b/docs/libcurl/opts/CURLOPT_HTTPGET.3
index 36995fb33..831fed81a 100644
--- a/docs/libcurl/opts/CURLOPT_HTTPGET.3
+++ b/docs/libcurl/opts/CURLOPT_HTTPGET.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -34,6 +34,10 @@ same curl \fIhandle\fP.
 
 When setting \fICURLOPT_HTTPGET(3)\fP to 1, it will automatically set
 \fICURLOPT_NOBODY(3)\fP to 0 and \fICURLOPT_UPLOAD(3)\fP to 0.
+
+Setting this option to zero has no effect. Applications need to explicitly
+select which HTTP request method to use, they cannot deselect a method. To
+reset a handle to default method, consider \fIcurl_easy_reset(3)\fP.
 .SH DEFAULT
 0
 .SH PROTOCOLS
@@ -44,10 +48,10 @@ curl = curl_easy_init();
 if(curl) {
   curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
 
-  /* use a GET to fetch this */ 
+  /* use a GET to fetch this */
   curl_easy_setopt(curl, CURLOPT_HTTPGET, 1L);
 
-  /* Perform the request */ 
+  /* Perform the request */
   curl_easy_perform(curl);
 }
 .fi
@@ -56,4 +60,5 @@ Along with HTTP
 .SH RETURN VALUE
 Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
 .SH "SEE ALSO"
-.BR CURLOPT_NOBODY "(3), " CURLOPT_UPLOAD "(3), "
+.BR CURLOPT_NOBODY "(3), " CURLOPT_UPLOAD "(3), " CURLOPT_POST "(3), "
+.BR curl_easy_reset "(3) "
diff --git a/docs/libcurl/opts/CURLOPT_POST.3 b/docs/libcurl/opts/CURLOPT_POST.3
index 71bbd2eea..66e5c6ac7 100644
--- a/docs/libcurl/opts/CURLOPT_POST.3
+++ b/docs/libcurl/opts/CURLOPT_POST.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -57,8 +57,8 @@ adding a header like "Transfer-Encoding: chunked" with
 \fICURLOPT_HTTPHEADER(3)\fP. With HTTP 1.0 or without chunked transfer, you
 must specify the size in the request.
 
-When setting \fICURLOPT_POST(3)\fP to 1, it will automatically set
-\fICURLOPT_NOBODY(3)\fP to 0.
+When setting \fICURLOPT_POST(3)\fP to 1, libcurl will automatically set
+\fICURLOPT_NOBODY(3)\fP and \fICURLOPT_HTTPGET(3)\fP to 0.
 
 If you issue a POST request and then want to make a HEAD or GET using the same
 re-used handle, you must explicitly set the new request type using
diff --git a/docs/libcurl/opts/CURLOPT_POSTFIELDS.3 b/docs/libcurl/opts/CURLOPT_POSTFIELDS.3
index 285ab2551..857e1d987 100644
--- a/docs/libcurl/opts/CURLOPT_POSTFIELDS.3
+++ b/docs/libcurl/opts/CURLOPT_POSTFIELDS.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -45,7 +45,7 @@ used by HTML forms. Change Content-Type with \fICURLOPT_HTTPHEADER(3)\fP.
 You can use \fIcurl_easy_escape(3)\fP to url-encode your data, if necessary. It
 returns a pointer to an encoded string that can be passed as \fIpostdata\fP.
 
-Using \fICURLOPT_POSTFIELDS(3)\fP implies \fICURLOPT_POST(3)\fP.
+Using \fICURLOPT_POSTFIELDS(3)\fP implies setting \fICURLOPT_POST(3)\fP to 1.
 
 If \fICURLOPT_POSTFIELDS(3)\fP is explicitly set to NULL then libcurl will get
 the POST data from the read callback. If you want to send a zero-byte POST set