updated comment as Rcpp 1.0.8 (2022-01) will bring STRICT_R_HEADERS

Author: eddelbuettel

.Rbuildignore

@@ -27,3 +27,4 @@ docker
 vignettes/Makefile
 vignettes/rmd
 \.github
+^issue.*\.md

ChangeLog

@@ -1,3 +1,8 @@
+2021-07-02  Dirk Eddelbuettel  <[email protected]>
+
+	* inst/include/Rcpp/r/headers.h: Update notice as January 2022
+	release will remove protection for STRICT_R_HEADERS making it default
+
 2021-05-27  Dirk Eddelbuettel  <[email protected]>
 
 	* inst/tinytest/cpp/rcppversion.cpp (checkVersion): Allow for more

inst/include/Rcpp/r/headers.h

@@ -1,7 +1,7 @@
 // headers.h: Rcpp R/C++ interface class library -- R headers
 //
 // Copyright (C) 2008 - 2009 Dirk Eddelbuettel
-// Copyright (C) 2009 - 2019 Dirk Eddelbuettel and Romain Francois
+// Copyright (C) 2009 - 2021 Dirk Eddelbuettel and Romain Francois
 //
 // This file is part of Rcpp.
 //
@@ -25,8 +25,7 @@
 #define MAXELTSIZE 8192
 #define R_NO_REMAP
 
-// until September 2019, define RCPP_NO_STRICT_R_HEADERS for transition
-// (that goal was too optimistic, reverse depency checks showed too much breakage)
+// until January 2022, define RCPP_NO_STRICT_R_HEADERS for transition
 #ifndef RCPP_NO_STRICT_R_HEADERS
 # define RCPP_NO_STRICT_R_HEADERS
 #endif