CURLOPT_HTTPPOST.3: bolden the deprecation notice

Ref: https://github.com/curl/curl/pull/9621

Closes https://github.com/curl/curl/pull/9637

docs/libcurl/curl_formadd.3

@@ -32,7 +32,7 @@ CURLFORMcode curl_formadd(struct curl_httppost **firstitem,
                           struct curl_httppost **lastitem, ...);
 .fi
 .SH DESCRIPTION
-This function is deprecated. Do not use. See \fIcurl_mime_init(3)\fP instead.
+\fBThis function is deprecated.\fP Use \fIcurl_mime_init(3)\fP instead.
 
 curl_formadd() is used to append sections when building a multipart form
 post. Append one section at a time until you have added all the sections you

docs/libcurl/opts/CURLOPT_HTTPPOST.3

@@ -32,6 +32,8 @@ CURLOPT_HTTPPOST \- multipart formpost content
 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTPPOST,
                           struct curl_httppost *formpost);
 .SH DESCRIPTION
+\fBThis option is deprecated.\fP Use \fICURLOPT_MIMEPOST(3)\fP instead.
+
 Tells libcurl you want a \fBmultipart/formdata\fP HTTP POST to be made and you
 instruct what data to pass on to the server in the \fIformpost\fP argument.
 Pass a pointer to a linked list of \fIcurl_httppost\fP structs as parameter.
@@ -44,9 +46,6 @@ You can disable this header with \fICURLOPT_HTTPHEADER(3)\fP.
 
 When setting \fICURLOPT_HTTPPOST(3)\fP, it will automatically set
 \fICURLOPT_NOBODY(3)\fP to 0.
-
-This option is deprecated! Do not use it. Use \fICURLOPT_MIMEPOST(3)\fP
-instead after having prepared mime data.
 .SH DEFAULT
 NULL
 .SH PROTOCOLS