batch write-region no longer says "Wrote FOO"

This cuts down on 'make' chatter a bit.
* doc/lispref/files.texi (Writing to Files):
* etc/NEWS: Document this.
* src/fileio.c (Fwrite_region):
Don't output "Wrote /whatever/foo.elc" if noninteractive.

2 files changed, 8 insertions, 2 deletions

diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index de1a760496b..941be3cf582 100644
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -1,3 +1,8 @@
+2015-01-04  Paul Eggert  <eggert@cs.ucla.edu>
+
+        batch write-region no longer says "Wrote FOO"
+        * files.texi (Writing to Files): Document this.
+
 2014-12-31  Paul Eggert  <eggert@cs.ucla.edu>
 
         Less 'make' chatter for Emacs doc
diff --git a/doc/lispref/files.texi b/doc/lispref/files.texi
index 51d13692fe5..c8500d2f412 100644
--- a/doc/lispref/files.texi
+++ b/doc/lispref/files.texi
@@ -653,8 +653,9 @@ and also calls the functions in the list
 @xref{Format Conversion}.
 
 Normally, @code{write-region} displays the message @samp{Wrote
-@var{filename}} in the echo area.  If @var{visit} is neither @code{t}
-nor @code{nil} nor a string, then this message is inhibited.  This
+@var{filename}} in the echo area.  This message is inhibited if
+@var{visit} is neither @code{t} nor @code{nil} nor a string, or if
+Emacs is operating in batch mode (@pxref{Batch mode}).  This
 feature is useful for programs that use files for internal purposes,
 files that the user does not need to know about.
 @end deffn