diff --git a/include/boost/range.hpp b/include/boost/range.hpp
index 2aeb393..179ae22 100755
--- a/include/boost/range.hpp
+++ b/include/boost/range.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_HPP_27_07_04
 #define BOOST_RANGE_HPP_27_07_04
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/algorithm.hpp b/include/boost/range/algorithm.hpp
old mode 100755
new mode 100644
index b7d8dd7..30dc583
--- a/include/boost/range/algorithm.hpp
+++ b/include/boost/range/algorithm.hpp
@@ -19,7 +19,7 @@
 // were originally written by Vladimir Prus'
 // <ghost@cs.msu.su> code from Boost Wiki
 
-#if defined(_MSC_VER) && _MSC_VER >= 1000
+#if defined(_MSC_VER)
 #pragma once
 #endif
 
diff --git a/include/boost/range/as_array.hpp b/include/boost/range/as_array.hpp
old mode 100755
new mode 100644
index 0723e60..69a1580
--- a/include/boost/range/as_array.hpp
+++ b/include/boost/range/as_array.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_AS_ARRAY_HPP
 #define BOOST_RANGE_AS_ARRAY_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/as_literal.hpp b/include/boost/range/as_literal.hpp
index 9ea144d..1c16e4a 100644
--- a/include/boost/range/as_literal.hpp
+++ b/include/boost/range/as_literal.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_AS_LITERAL_HPP
 #define BOOST_RANGE_AS_LITERAL_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/begin.hpp b/include/boost/range/begin.hpp
index c668488..980857f 100644
--- a/include/boost/range/begin.hpp
+++ b/include/boost/range/begin.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_BEGIN_HPP
 #define BOOST_RANGE_BEGIN_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/category.hpp b/include/boost/range/category.hpp
old mode 100755
new mode 100644
index 1574605..f5431ad
--- a/include/boost/range/category.hpp
+++ b/include/boost/range/category.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_CATEGORY_HPP
 #define BOOST_RANGE_CATEGORY_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/config.hpp b/include/boost/range/config.hpp
index fc2693e..7600a5f 100644
--- a/include/boost/range/config.hpp
+++ b/include/boost/range/config.hpp
@@ -13,7 +13,7 @@
 
 #include <boost/detail/workaround.hpp>
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/const_iterator.hpp b/include/boost/range/const_iterator.hpp
index 875320f..6b49ea0 100644
--- a/include/boost/range/const_iterator.hpp
+++ b/include/boost/range/const_iterator.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_CONST_ITERATOR_HPP
 #define BOOST_RANGE_CONST_ITERATOR_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/const_reverse_iterator.hpp b/include/boost/range/const_reverse_iterator.hpp
old mode 100755
new mode 100644
index 215bcc7..a1f49b7
--- a/include/boost/range/const_reverse_iterator.hpp
+++ b/include/boost/range/const_reverse_iterator.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_CONST_REVERSE_ITERATOR_HPP
 #define BOOST_RANGE_CONST_REVERSE_ITERATOR_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/detail/as_literal.hpp b/include/boost/range/detail/as_literal.hpp
index 0bd9a15..8b219ea 100644
--- a/include/boost/range/detail/as_literal.hpp
+++ b/include/boost/range/detail/as_literal.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_DETAIL_AS_LITERAL_HPP
 #define BOOST_RANGE_DETAIL_AS_LITERAL_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/detail/common.hpp b/include/boost/range/detail/common.hpp
old mode 100755
new mode 100644
index f7539f5..b0ad535
--- a/include/boost/range/detail/common.hpp
+++ b/include/boost/range/detail/common.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_DETAIL_COMMON_HPP
 #define BOOST_RANGE_DETAIL_COMMON_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/detail/extract_optional_type.hpp b/include/boost/range/detail/extract_optional_type.hpp
index 4a7f71a..aa4dd80 100644
--- a/include/boost/range/detail/extract_optional_type.hpp
+++ b/include/boost/range/detail/extract_optional_type.hpp
@@ -10,7 +10,7 @@
 #ifndef BOOST_RANGE_DETAIL_EXTRACT_OPTIONAL_TYPE_HPP_INCLUDED
 #define BOOST_RANGE_DETAIL_EXTRACT_OPTIONAL_TYPE_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/detail/sizer.hpp b/include/boost/range/detail/sizer.hpp
old mode 100755
new mode 100644
index b4c1c91..cd6679c
--- a/include/boost/range/detail/sizer.hpp
+++ b/include/boost/range/detail/sizer.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_DETAIL_SIZER_HPP
 #define BOOST_RANGE_DETAIL_SIZER_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/difference_type.hpp b/include/boost/range/difference_type.hpp
old mode 100755
new mode 100644
index 164288f..4578002
--- a/include/boost/range/difference_type.hpp
+++ b/include/boost/range/difference_type.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_DIFFERENCE_TYPE_HPP
 #define BOOST_RANGE_DIFFERENCE_TYPE_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/distance.hpp b/include/boost/range/distance.hpp
old mode 100755
new mode 100644
index 42a106d..075f2d1
--- a/include/boost/range/distance.hpp
+++ b/include/boost/range/distance.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_DISTANCE_HPP
 #define BOOST_RANGE_DISTANCE_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/empty.hpp b/include/boost/range/empty.hpp
index 36e58d7..d57a30e 100644
--- a/include/boost/range/empty.hpp
+++ b/include/boost/range/empty.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_EMPTY_HPP
 #define BOOST_RANGE_EMPTY_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/end.hpp b/include/boost/range/end.hpp
index d5e6526..b3fc709 100644
--- a/include/boost/range/end.hpp
+++ b/include/boost/range/end.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_END_HPP
 #define BOOST_RANGE_END_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/functions.hpp b/include/boost/range/functions.hpp
old mode 100755
new mode 100644
index b8b8608..43c54b1
--- a/include/boost/range/functions.hpp
+++ b/include/boost/range/functions.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_FUNCTIONS_HPP
 #define BOOST_RANGE_FUNCTIONS_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/iterator.hpp b/include/boost/range/iterator.hpp
index ec73ddc..9d94d43 100644
--- a/include/boost/range/iterator.hpp
+++ b/include/boost/range/iterator.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_ITERATOR_HPP
 #define BOOST_RANGE_ITERATOR_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/metafunctions.hpp b/include/boost/range/metafunctions.hpp
index 469d9ae..9dc59d0 100644
--- a/include/boost/range/metafunctions.hpp
+++ b/include/boost/range/metafunctions.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_METAFUNCTIONS_HPP
 #define BOOST_RANGE_METAFUNCTIONS_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/mutable_iterator.hpp b/include/boost/range/mutable_iterator.hpp
index 7beca66..ffa2e66 100644
--- a/include/boost/range/mutable_iterator.hpp
+++ b/include/boost/range/mutable_iterator.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_MUTABLE_ITERATOR_HPP
 #define BOOST_RANGE_MUTABLE_ITERATOR_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/numeric.hpp b/include/boost/range/numeric.hpp
index bfd1049..c70069f 100644
--- a/include/boost/range/numeric.hpp
+++ b/include/boost/range/numeric.hpp
@@ -19,7 +19,7 @@
 // accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
 
-#if defined(_MSC_VER) && _MSC_VER >= 1000
+#if defined(_MSC_VER)
     #pragma once
 #endif
 
diff --git a/include/boost/range/pointer.hpp b/include/boost/range/pointer.hpp
old mode 100755
new mode 100644
index e7431ff..c3ed503
--- a/include/boost/range/pointer.hpp
+++ b/include/boost/range/pointer.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_POINTER_TYPE_HPP
 #define BOOST_RANGE_POINTER_TYPE_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/rbegin.hpp b/include/boost/range/rbegin.hpp
old mode 100755
new mode 100644
index 78e5f61..6d66de9
--- a/include/boost/range/rbegin.hpp
+++ b/include/boost/range/rbegin.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_RBEGIN_HPP
 #define BOOST_RANGE_RBEGIN_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/reference.hpp b/include/boost/range/reference.hpp
old mode 100755
new mode 100644
index d308e43..c664c38
--- a/include/boost/range/reference.hpp
+++ b/include/boost/range/reference.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_REFERENCE_TYPE_HPP
 #define BOOST_RANGE_REFERENCE_TYPE_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/rend.hpp b/include/boost/range/rend.hpp
old mode 100755
new mode 100644
index fd79aa2..ef70407
--- a/include/boost/range/rend.hpp
+++ b/include/boost/range/rend.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_REND_HPP
 #define BOOST_RANGE_REND_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/result_iterator.hpp b/include/boost/range/result_iterator.hpp
old mode 100755
new mode 100644
index ba09c5f..54e343d
--- a/include/boost/range/result_iterator.hpp
+++ b/include/boost/range/result_iterator.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_RESULT_ITERATOR_HPP
 #define BOOST_RANGE_RESULT_ITERATOR_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/reverse_iterator.hpp b/include/boost/range/reverse_iterator.hpp
old mode 100755
new mode 100644
index f8e9221..2569b17
--- a/include/boost/range/reverse_iterator.hpp
+++ b/include/boost/range/reverse_iterator.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_REVERSE_ITERATOR_HPP
 #define BOOST_RANGE_REVERSE_ITERATOR_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/reverse_result_iterator.hpp b/include/boost/range/reverse_result_iterator.hpp
old mode 100755
new mode 100644
index 62bf135..d375cfd
--- a/include/boost/range/reverse_result_iterator.hpp
+++ b/include/boost/range/reverse_result_iterator.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_REVERSE_RESULT_ITERATOR_HPP
 #define BOOST_RANGE_REVERSE_RESULT_ITERATOR_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/size.hpp b/include/boost/range/size.hpp
index 6ae74d1..9b63aff 100644
--- a/include/boost/range/size.hpp
+++ b/include/boost/range/size.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_SIZE_HPP
 #define BOOST_RANGE_SIZE_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/size_type.hpp b/include/boost/range/size_type.hpp
index cc99ef3..1be647d 100644
--- a/include/boost/range/size_type.hpp
+++ b/include/boost/range/size_type.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_SIZE_TYPE_HPP
 #define BOOST_RANGE_SIZE_TYPE_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/range/value_type.hpp b/include/boost/range/value_type.hpp
old mode 100755
new mode 100644
index 95c7580..4a67d05
--- a/include/boost/range/value_type.hpp
+++ b/include/boost/range/value_type.hpp
@@ -11,7 +11,7 @@
 #ifndef BOOST_RANGE_VALUE_TYPE_HPP
 #define BOOST_RANGE_VALUE_TYPE_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 # pragma once
 #endif