Avoid long futile looping on a TTY under huge values of hscroll.

[gnu-emacs] / src / textprop.c

diff --git a/src/textprop.c b/src/textprop.c
index a877e2a67ae3968dbe06c45f816ae5d13fa22678..4562cc0bd18095a3be8405db0296983ec464ef8c 100644 (file)
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -1,5 +1,5 @@
 /* Interface code for dealing with text properties.
-   Copyright (C) 1993-1995, 1997, 1999-2011 Free Software Foundation, Inc.
+   Copyright (C) 1993-1995, 1997, 1999-2012 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -20,13 +20,10 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <setjmp.h>
 #include "lisp.h"
 #include "intervals.h"
+#include "character.h"
 #include "buffer.h"
 #include "window.h"
 
-#ifndef NULL
-#define NULL (void *)0
-#endif
-
 /* Test for membership, allowing for t (actually any non-cons) to mean the
    universal set.  */
 
@@ -75,15 +72,11 @@ Lisp_Object Qfront_sticky, Qrear_nonsticky;
 static Lisp_Object interval_insert_behind_hooks;
 static Lisp_Object interval_insert_in_front_hooks;
 
-static void text_read_only (Lisp_Object) NO_RETURN;
-static Lisp_Object Fprevious_property_change (Lisp_Object, Lisp_Object,
-                                             Lisp_Object);
-
 
 /* Signal a `text-read-only' error.  This function makes it easier
    to capture that error in GDB by putting a breakpoint on it.  */
 
-static void
+static _Noreturn void
 text_read_only (Lisp_Object propval)
 {
   if (STRINGP (propval))
@@ -1625,7 +1618,7 @@ Return t if any property was actually removed, nil otherwise.  */)
 \f
 DEFUN ("text-property-any", Ftext_property_any,
        Stext_property_any, 4, 5, 0,
-       doc: /* Check text from START to END for property PROPERTY equalling VALUE.
+       doc: /* Check text from START to END for property PROPERTY equaling VALUE.
 If so, return the position of the first character whose property PROPERTY
 is `eq' to VALUE.  Otherwise return nil.
 If the optional fifth argument OBJECT is a buffer (or nil, which means
@@ -1661,7 +1654,7 @@ markers).  If OBJECT is a string, START and END are 0-based indices into it.  */
 
 DEFUN ("text-property-not-all", Ftext_property_not_all,
        Stext_property_not_all, 4, 5, 0,
-       doc: /* Check text from START to END for property PROPERTY not equalling VALUE.
+       doc: /* Check text from START to END for property PROPERTY not equaling VALUE.
 If so, return the position of the first character whose property PROPERTY
 is not `eq' to VALUE.  Otherwise, return nil.
 If the optional fifth argument OBJECT is a buffer (or nil, which means
@@ -2230,7 +2223,7 @@ This also inhibits the use of the `intangible' text property.  */);
 
   DEFVAR_LISP ("text-property-default-nonsticky",
               Vtext_property_default_nonsticky,
-              doc: /* Alist of properties vs the corresponding non-stickinesses.
+              doc: /* Alist of properties vs the corresponding non-stickiness.
 Each element has the form (PROPERTY . NONSTICKINESS).
 
 If a character in a buffer has PROPERTY, new text inserted adjacent to