Avoid non-ASCII decoding errors in C src files

* src/nsterm.m:
* src/lisp.h:
* src/editfns.c:
* src/doprnt.c: Add 'coding' cookies -- these files include
Unicode characters and should be decoded as UTF-8.

4 files changed, 4 insertions, 4 deletions

diff --git a/src/doprnt.c b/src/doprnt.c
index 7c5a6afb94b..51f8fd72ba0 100644
--- a/src/doprnt.c
+++ b/src/doprnt.c
@@ -1,4 +1,4 @@
-/* Output like sprintf to a buffer of specified size.
+/* Output like sprintf to a buffer of specified size.    -*- coding: utf-8 -*-
    Also takes args differently: pass one pointer to the end
    of the format string in addition to the format string itself.
    Copyright (C) 1985, 2001-2015 Free Software Foundation, Inc.
diff --git a/src/editfns.c b/src/editfns.c
index e6f144e7b30..12e5ca8c001 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -1,4 +1,4 @@
-/* Lisp functions pertaining to editing.
+/* Lisp functions pertaining to editing.                 -*- coding: utf-8 -*-
 
 Copyright (C) 1985-1987, 1989, 1993-2015 Free Software Foundation, Inc.
 
diff --git a/src/lisp.h b/src/lisp.h
index 15fe40db780..2d6661787cf 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -1,4 +1,4 @@
-/* Fundamental definitions for GNU Emacs Lisp interpreter.
+/* Fundamental definitions for GNU Emacs Lisp interpreter. -*- coding: utf-8 -*-
 
 Copyright (C) 1985-1987, 1993-1995, 1997-2015 Free Software Foundation,
 Inc.
diff --git a/src/nsterm.m b/src/nsterm.m
index 7c6b9dc1744..a5bf06a70af 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -1,4 +1,4 @@
-/* NeXT/Open/GNUstep / MacOSX communication module.
+/* NeXT/Open/GNUstep / MacOSX communication module.      -*- coding: utf-8 -*-
 
 Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2015 Free Software
 Foundation, Inc.