defining STRICT_R_HEADERS is no longer needed

git-svn-id: https://svn.r-project.org/R/trunk@87525 00db46b3-68df-0310-9c12-caf00c1e9a41

doc/NEWS.Rd

@@ -242,10 +242,6 @@
       \code{Free}: use \code{M_PI}, \code{R_Calloc}, \code{R_Realloc} or
       \code{R_Free} instead.
 
-      \emph{\I{Pro tem}} \code{STRICT_R_HEADERS} is defined in header
-      \file{R_ext/RS.h} if not already defined.  This is not used in \R
-      itself and will be removed before release.
-
       \item The deprecated and seemingly never-used S-compatibility
       macros \code{F77_COM} and \code{F77_COMDECL} have been removed
       from header \file{R_ext/RS.h}.

src/include/R_ext/RS.h

@@ -1,6 +1,6 @@
 /*
  *  R : A Computer Language for Statistical Data Analysis
- *  Copyright (C) 1999-2024 The R Core Team.
+ *  Copyright (C) 1999-2025 The R Core Team.
  *
  *  This header file is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU Lesser General Public License as published by
@@ -38,12 +38,6 @@
 
 #include <Rconfig.h>		/* for HAVE_F77_UNDERSCORE */
 
-/* Temprorary fix for a package that assumes this is set. */
-
-#ifndef STRICT_R_HEADERS
-# define STRICT_R_HEADERS
-#endif
-
 #ifdef  __cplusplus
 extern "C" {
 #endif
@@ -76,7 +70,7 @@ extern void *R_chk_memset(void *, int, R_SIZE_T);
    blocks, and some compilers may need to specify Fortran linkage.
 
    HP-UX did not add a trailing underscore.  (It still existed in
-   2024, but R poiorts had not been seen for many years.)
+   2024, but R ports had not been seen for many years.)
 
    Note that this is an F77 interface, intended only for valid F77
    names of <= 6 ASCII characters (and no underscores) and there is an