More process-related doc and manual small edits

* doc/lispref/processes.texi (Output from Processes, Filter Functions):
Mention waiting-for-user-input-p.
(Sentinels, Query Before Exit, System Processes, Transaction Queues):
(Network Servers, Datagrams, Network Processes, Network Options)
(Network Feature Testing, Serial Ports): Copyedits.
(Network): Add encrypted network overview paragraph.
Cross-reference the Emacs-GnuTLS manual.  Use @acronym.

* lisp/net/network-stream.el (open-network-stream): Doc fix.

* src/process.c (Fset_process_inherit_coding_system_flag)
(Fset_process_query_on_exit_flag): Doc fix (mention return value).
(Fmake_network_process): Doc fix.

1 files changed, 2 insertions, 3 deletions

diff --git a/lisp/net/network-stream.el b/lisp/net/network-stream.el
index 7a3d47ef1d1..81d05eabc5a 100644
--- a/lisp/net/network-stream.el
+++ b/lisp/net/network-stream.el
@@ -125,9 +125,8 @@ values:
   certificate.  This parameter will only be used when doing TLS
   or STARTTLS connections.
 
-If :use-starttls-if-possible is non-nil, do opportunistic
-STARTTLS upgrades even if Emacs doesn't have built-in TLS
-functionality.
+:use-starttls-if-possible is a boolean that says to do opportunistic
+STARTTLS upgrades even if Emacs doesn't have built-in TLS functionality.
 
 :nowait is a boolean that says the connection should be made
   asynchronously, if possible."