diff --git a/example/jgrep/jgrep.cpp b/example/jgrep/jgrep.cpp
index 4daca956..a0bc19c2 100644
--- a/example/jgrep/jgrep.cpp
+++ b/example/jgrep/jgrep.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/jgrep/jgrep.h b/example/jgrep/jgrep.h
index b5b74f6f..c7919edc 100644
--- a/example/jgrep/jgrep.h
+++ b/example/jgrep/jgrep.h
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/jgrep/main.cpp b/example/jgrep/main.cpp
index 5558d95d..ecaffb82 100644
--- a/example/jgrep/main.cpp
+++ b/example/jgrep/main.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/credit_card_example.cpp b/example/snippets/credit_card_example.cpp
index 39265bdc..b1e0e7c8 100644
--- a/example/snippets/credit_card_example.cpp
+++ b/example/snippets/credit_card_example.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/partial_regex_grep.cpp b/example/snippets/partial_regex_grep.cpp
index 33dd23ec..016d6fb5 100644
--- a/example/snippets/partial_regex_grep.cpp
+++ b/example/snippets/partial_regex_grep.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/partial_regex_match.cpp b/example/snippets/partial_regex_match.cpp
index 0d6f9583..1768cd57 100644
--- a/example/snippets/partial_regex_match.cpp
+++ b/example/snippets/partial_regex_match.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_grep_example_1.cpp b/example/snippets/regex_grep_example_1.cpp
index 7b41be1e..90298fa5 100644
--- a/example/snippets/regex_grep_example_1.cpp
+++ b/example/snippets/regex_grep_example_1.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_grep_example_2.cpp b/example/snippets/regex_grep_example_2.cpp
index 5d53c5d2..daa01c19 100644
--- a/example/snippets/regex_grep_example_2.cpp
+++ b/example/snippets/regex_grep_example_2.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_grep_example_3.cpp b/example/snippets/regex_grep_example_3.cpp
index 252ad45e..66f44fd7 100644
--- a/example/snippets/regex_grep_example_3.cpp
+++ b/example/snippets/regex_grep_example_3.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_grep_example_4.cpp b/example/snippets/regex_grep_example_4.cpp
index 1e1122b2..20e222d6 100644
--- a/example/snippets/regex_grep_example_4.cpp
+++ b/example/snippets/regex_grep_example_4.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_iterator_example.cpp b/example/snippets/regex_iterator_example.cpp
index 5045ec22..c88b96eb 100644
--- a/example/snippets/regex_iterator_example.cpp
+++ b/example/snippets/regex_iterator_example.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2003
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_match_example.cpp b/example/snippets/regex_match_example.cpp
index afe8005b..131b36a5 100644
--- a/example/snippets/regex_match_example.cpp
+++ b/example/snippets/regex_match_example.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_merge_example.cpp b/example/snippets/regex_merge_example.cpp
index 8f82e7cc..54eb3499 100644
--- a/example/snippets/regex_merge_example.cpp
+++ b/example/snippets/regex_merge_example.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_replace_example.cpp b/example/snippets/regex_replace_example.cpp
index d17c55d2..a89a8156 100644
--- a/example/snippets/regex_replace_example.cpp
+++ b/example/snippets/regex_replace_example.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_search_example.cpp b/example/snippets/regex_search_example.cpp
index bfc69829..c7dd2f16 100644
--- a/example/snippets/regex_search_example.cpp
+++ b/example/snippets/regex_search_example.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_split_example_1.cpp b/example/snippets/regex_split_example_1.cpp
index 15520417..45636da8 100644
--- a/example/snippets/regex_split_example_1.cpp
+++ b/example/snippets/regex_split_example_1.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_split_example_2.cpp b/example/snippets/regex_split_example_2.cpp
index fb26fdfa..8a05e942 100644
--- a/example/snippets/regex_split_example_2.cpp
+++ b/example/snippets/regex_split_example_2.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_token_iterator_eg_1.cpp b/example/snippets/regex_token_iterator_eg_1.cpp
index 3efe4d16..613a2602 100644
--- a/example/snippets/regex_token_iterator_eg_1.cpp
+++ b/example/snippets/regex_token_iterator_eg_1.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 12003
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/snippets/regex_token_iterator_eg_2.cpp b/example/snippets/regex_token_iterator_eg_2.cpp
index d1a958e8..54735872 100644
--- a/example/snippets/regex_token_iterator_eg_2.cpp
+++ b/example/snippets/regex_token_iterator_eg_2.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2003
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/example/timer/regex_timer.cpp b/example/timer/regex_timer.cpp
index f6c27e5a..c29504ad 100644
--- a/example/timer/regex_timer.cpp
+++ b/example/timer/regex_timer.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/cregex.hpp b/include/boost/cregex.hpp
index 7514aad0..b591115e 100644
--- a/include/boost/cregex.hpp
+++ b/include/boost/cregex.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
@@ -40,3 +40,4 @@
 
 
 
+
diff --git a/include/boost/regex.h b/include/boost/regex.h
index 4a590626..fabf0804 100644
--- a/include/boost/regex.h
+++ b/include/boost/regex.h
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
@@ -97,3 +97,4 @@ using boost::reg_errcode_t;
 
 
 
+
diff --git a/include/boost/regex.hpp b/include/boost/regex.hpp
index e93fdb89..42bf95ea 100644
--- a/include/boost/regex.hpp
+++ b/include/boost/regex.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
@@ -38,3 +38,4 @@
 
 
 
+
diff --git a/include/boost/regex/config.hpp b/include/boost/regex/config.hpp
index 2372a024..7e5d898c 100644
--- a/include/boost/regex/config.hpp
+++ b/include/boost/regex/config.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/config/borland.hpp b/include/boost/regex/config/borland.hpp
index 30bfc53c..372aa0c4 100644
--- a/include/boost/regex/config/borland.hpp
+++ b/include/boost/regex/config/borland.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/config/cstring.hpp b/include/boost/regex/config/cstring.hpp
index 43d1b7dc..3e09fc34 100644
--- a/include/boost/regex/config/cstring.hpp
+++ b/include/boost/regex/config/cstring.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/config/cwchar.hpp b/include/boost/regex/config/cwchar.hpp
index 5faf6ae4..5ca5b0c0 100644
--- a/include/boost/regex/config/cwchar.hpp
+++ b/include/boost/regex/config/cwchar.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/config/regex_library_include.hpp b/include/boost/regex/config/regex_library_include.hpp
index a109d2da..5769ceef 100644
--- a/include/boost/regex/config/regex_library_include.hpp
+++ b/include/boost/regex/config/regex_library_include.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/pattern_except.hpp b/include/boost/regex/pattern_except.hpp
index 127e2b27..39d28ccf 100644
--- a/include/boost/regex/pattern_except.hpp
+++ b/include/boost/regex/pattern_except.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/regex_traits.hpp b/include/boost/regex/regex_traits.hpp
index 97124484..d54bb23e 100644
--- a/include/boost/regex/regex_traits.hpp
+++ b/include/boost/regex/regex_traits.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/src.cpp b/include/boost/regex/src.cpp
index 344f5fbc..4e20ea95 100644
--- a/include/boost/regex/src.cpp
+++ b/include/boost/regex/src.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/user.hpp b/include/boost/regex/user.hpp
index d01bd609..0d3000a7 100644
--- a/include/boost/regex/user.hpp
+++ b/include/boost/regex/user.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/cregex.hpp b/include/boost/regex/v3/cregex.hpp
index 3bdf8e4e..0af1ef6c 100644
--- a/include/boost/regex/v3/cregex.hpp
+++ b/include/boost/regex/v3/cregex.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/fileiter.hpp b/include/boost/regex/v3/fileiter.hpp
index 8a041aa5..ef861f40 100644
--- a/include/boost/regex/v3/fileiter.hpp
+++ b/include/boost/regex/v3/fileiter.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/instances.hpp b/include/boost/regex/v3/instances.hpp
index 052db40c..25c7f8bd 100644
--- a/include/boost/regex/v3/instances.hpp
+++ b/include/boost/regex/v3/instances.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex.hpp b/include/boost/regex/v3/regex.hpp
index 98f758c0..52d745ef 100644
--- a/include/boost/regex/v3/regex.hpp
+++ b/include/boost/regex/v3/regex.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_compile.hpp b/include/boost/regex/v3/regex_compile.hpp
index d504a582..3f558dbc 100644
--- a/include/boost/regex/v3/regex_compile.hpp
+++ b/include/boost/regex/v3/regex_compile.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_cstring.hpp b/include/boost/regex/v3/regex_cstring.hpp
index 83aba0d4..82fd5d02 100644
--- a/include/boost/regex/v3/regex_cstring.hpp
+++ b/include/boost/regex/v3/regex_cstring.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_format.hpp b/include/boost/regex/v3/regex_format.hpp
index a9d5fb1f..0d2c691b 100644
--- a/include/boost/regex/v3/regex_format.hpp
+++ b/include/boost/regex/v3/regex_format.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_fwd.hpp b/include/boost/regex/v3/regex_fwd.hpp
index c610cfe4..b163adb6 100644
--- a/include/boost/regex/v3/regex_fwd.hpp
+++ b/include/boost/regex/v3/regex_fwd.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_kmp.hpp b/include/boost/regex/v3/regex_kmp.hpp
index 008c0662..55403f64 100644
--- a/include/boost/regex/v3/regex_kmp.hpp
+++ b/include/boost/regex/v3/regex_kmp.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_library_include.hpp b/include/boost/regex/v3/regex_library_include.hpp
index 73aa5deb..d054ec2e 100644
--- a/include/boost/regex/v3/regex_library_include.hpp
+++ b/include/boost/regex/v3/regex_library_include.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_match.hpp b/include/boost/regex/v3/regex_match.hpp
index 259bb4f9..8fae9c9d 100644
--- a/include/boost/regex/v3/regex_match.hpp
+++ b/include/boost/regex/v3/regex_match.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_raw_buffer.hpp b/include/boost/regex/v3/regex_raw_buffer.hpp
index 742ed724..71f912ce 100644
--- a/include/boost/regex/v3/regex_raw_buffer.hpp
+++ b/include/boost/regex/v3/regex_raw_buffer.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_split.hpp b/include/boost/regex/v3/regex_split.hpp
index 40b91452..ee94e30f 100644
--- a/include/boost/regex/v3/regex_split.hpp
+++ b/include/boost/regex/v3/regex_split.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_stack.hpp b/include/boost/regex/v3/regex_stack.hpp
index bcf2c48d..58e3ef1d 100644
--- a/include/boost/regex/v3/regex_stack.hpp
+++ b/include/boost/regex/v3/regex_stack.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_synch.hpp b/include/boost/regex/v3/regex_synch.hpp
index 7f38f889..3d9faafa 100644
--- a/include/boost/regex/v3/regex_synch.hpp
+++ b/include/boost/regex/v3/regex_synch.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v3/regex_traits.hpp b/include/boost/regex/v3/regex_traits.hpp
index d674e796..8f7f3b78 100644
--- a/include/boost/regex/v3/regex_traits.hpp
+++ b/include/boost/regex/v3/regex_traits.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/basic_regex.hpp b/include/boost/regex/v4/basic_regex.hpp
index c47d151a..6fa67348 100644
--- a/include/boost/regex/v4/basic_regex.hpp
+++ b/include/boost/regex/v4/basic_regex.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/char_regex_traits.hpp b/include/boost/regex/v4/char_regex_traits.hpp
index b773ea74..f3108499 100644
--- a/include/boost/regex/v4/char_regex_traits.hpp
+++ b/include/boost/regex/v4/char_regex_traits.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/cregex.hpp b/include/boost/regex/v4/cregex.hpp
index 04fe05b6..c3af7fb1 100644
--- a/include/boost/regex/v4/cregex.hpp
+++ b/include/boost/regex/v4/cregex.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/fileiter.hpp b/include/boost/regex/v4/fileiter.hpp
index 3008e016..3003da8d 100644
--- a/include/boost/regex/v4/fileiter.hpp
+++ b/include/boost/regex/v4/fileiter.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/instances.hpp b/include/boost/regex/v4/instances.hpp
index c22c3358..bea8a219 100644
--- a/include/boost/regex/v4/instances.hpp
+++ b/include/boost/regex/v4/instances.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/iterator_category.hpp b/include/boost/regex/v4/iterator_category.hpp
index 1bbdbbde..aeb0e32c 100644
--- a/include/boost/regex/v4/iterator_category.hpp
+++ b/include/boost/regex/v4/iterator_category.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/iterator_traits.hpp b/include/boost/regex/v4/iterator_traits.hpp
index 12530175..58fbd51c 100644
--- a/include/boost/regex/v4/iterator_traits.hpp
+++ b/include/boost/regex/v4/iterator_traits.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/match_flags.hpp b/include/boost/regex/v4/match_flags.hpp
index 611e7bf1..e5303157 100644
--- a/include/boost/regex/v4/match_flags.hpp
+++ b/include/boost/regex/v4/match_flags.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/match_results.hpp b/include/boost/regex/v4/match_results.hpp
index 04d6f34d..a896cf42 100644
--- a/include/boost/regex/v4/match_results.hpp
+++ b/include/boost/regex/v4/match_results.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/mem_block_cache.hpp b/include/boost/regex/v4/mem_block_cache.hpp
index 88617f14..abe8bb87 100644
--- a/include/boost/regex/v4/mem_block_cache.hpp
+++ b/include/boost/regex/v4/mem_block_cache.hpp
@@ -2,7 +2,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/perl_matcher.hpp b/include/boost/regex/v4/perl_matcher.hpp
index 3b04f802..24045324 100644
--- a/include/boost/regex/v4/perl_matcher.hpp
+++ b/include/boost/regex/v4/perl_matcher.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/perl_matcher_common.hpp b/include/boost/regex/v4/perl_matcher_common.hpp
index 2e524f87..482234e4 100644
--- a/include/boost/regex/v4/perl_matcher_common.hpp
+++ b/include/boost/regex/v4/perl_matcher_common.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/perl_matcher_non_recursive.hpp b/include/boost/regex/v4/perl_matcher_non_recursive.hpp
index d3ac038e..ddd98283 100644
--- a/include/boost/regex/v4/perl_matcher_non_recursive.hpp
+++ b/include/boost/regex/v4/perl_matcher_non_recursive.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/perl_matcher_recursive.hpp b/include/boost/regex/v4/perl_matcher_recursive.hpp
index c3983dfa..ac6f3606 100644
--- a/include/boost/regex/v4/perl_matcher_recursive.hpp
+++ b/include/boost/regex/v4/perl_matcher_recursive.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regbase.hpp b/include/boost/regex/v4/regbase.hpp
index 46b76d05..e198326f 100644
--- a/include/boost/regex/v4/regbase.hpp
+++ b/include/boost/regex/v4/regbase.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex.hpp b/include/boost/regex/v4/regex.hpp
index 75e94052..6c1da007 100644
--- a/include/boost/regex/v4/regex.hpp
+++ b/include/boost/regex/v4/regex.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_compile.hpp b/include/boost/regex/v4/regex_compile.hpp
index 792b277e..9f0bd758 100644
--- a/include/boost/regex/v4/regex_compile.hpp
+++ b/include/boost/regex/v4/regex_compile.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_cstring.hpp b/include/boost/regex/v4/regex_cstring.hpp
index 2ff707d6..82b3923a 100644
--- a/include/boost/regex/v4/regex_cstring.hpp
+++ b/include/boost/regex/v4/regex_cstring.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_format.hpp b/include/boost/regex/v4/regex_format.hpp
index 8290f869..5ea47436 100644
--- a/include/boost/regex/v4/regex_format.hpp
+++ b/include/boost/regex/v4/regex_format.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_fwd.hpp b/include/boost/regex/v4/regex_fwd.hpp
index 2fd90c4e..214a9354 100644
--- a/include/boost/regex/v4/regex_fwd.hpp
+++ b/include/boost/regex/v4/regex_fwd.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_grep.hpp b/include/boost/regex/v4/regex_grep.hpp
index 5fe99039..bd7f9951 100644
--- a/include/boost/regex/v4/regex_grep.hpp
+++ b/include/boost/regex/v4/regex_grep.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_iterator.hpp b/include/boost/regex/v4/regex_iterator.hpp
index 5f343236..82773005 100644
--- a/include/boost/regex/v4/regex_iterator.hpp
+++ b/include/boost/regex/v4/regex_iterator.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2003
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_kmp.hpp b/include/boost/regex/v4/regex_kmp.hpp
index 93cb847b..eaea55e0 100644
--- a/include/boost/regex/v4/regex_kmp.hpp
+++ b/include/boost/regex/v4/regex_kmp.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_match.hpp b/include/boost/regex/v4/regex_match.hpp
index 0bc4ee2b..75e592b7 100644
--- a/include/boost/regex/v4/regex_match.hpp
+++ b/include/boost/regex/v4/regex_match.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_merge.hpp b/include/boost/regex/v4/regex_merge.hpp
index 2d26e544..ff6e1aa3 100644
--- a/include/boost/regex/v4/regex_merge.hpp
+++ b/include/boost/regex/v4/regex_merge.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_raw_buffer.hpp b/include/boost/regex/v4/regex_raw_buffer.hpp
index 475452d2..e44fa647 100644
--- a/include/boost/regex/v4/regex_raw_buffer.hpp
+++ b/include/boost/regex/v4/regex_raw_buffer.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_replace.hpp b/include/boost/regex/v4/regex_replace.hpp
index b2f48789..27d78d77 100644
--- a/include/boost/regex/v4/regex_replace.hpp
+++ b/include/boost/regex/v4/regex_replace.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_search.hpp b/include/boost/regex/v4/regex_search.hpp
index 16bc7f39..91aef712 100644
--- a/include/boost/regex/v4/regex_search.hpp
+++ b/include/boost/regex/v4/regex_search.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_split.hpp b/include/boost/regex/v4/regex_split.hpp
index 70e47898..ab614214 100644
--- a/include/boost/regex/v4/regex_split.hpp
+++ b/include/boost/regex/v4/regex_split.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_stack.hpp b/include/boost/regex/v4/regex_stack.hpp
index 9a8985a6..a22b531f 100644
--- a/include/boost/regex/v4/regex_stack.hpp
+++ b/include/boost/regex/v4/regex_stack.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_synch.hpp b/include/boost/regex/v4/regex_synch.hpp
index 4f58839a..dc1f0743 100644
--- a/include/boost/regex/v4/regex_synch.hpp
+++ b/include/boost/regex/v4/regex_synch.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_token_iterator.hpp b/include/boost/regex/v4/regex_token_iterator.hpp
index 20ba1834..94a34bd0 100644
--- a/include/boost/regex/v4/regex_token_iterator.hpp
+++ b/include/boost/regex/v4/regex_token_iterator.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2003
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/regex_traits.hpp b/include/boost/regex/v4/regex_traits.hpp
index ab80906f..6859b38c 100644
--- a/include/boost/regex/v4/regex_traits.hpp
+++ b/include/boost/regex/v4/regex_traits.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/states.hpp b/include/boost/regex/v4/states.hpp
index ddca17d8..1e4e11d6 100644
--- a/include/boost/regex/v4/states.hpp
+++ b/include/boost/regex/v4/states.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex/v4/sub_match.hpp b/include/boost/regex/v4/sub_match.hpp
index 278f0a23..80045a75 100644
--- a/include/boost/regex/v4/sub_match.hpp
+++ b/include/boost/regex/v4/sub_match.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/include/boost/regex_fwd.hpp b/include/boost/regex_fwd.hpp
index fde20180..21e8ad48 100644
--- a/include/boost/regex_fwd.hpp
+++ b/include/boost/regex_fwd.hpp
@@ -3,13 +3,9 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Permission to use, copy, modify, distribute and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation.  Dr John Maddock makes no representations
- * about the suitability of this software for any purpose.
- * It is provided "as is" without express or implied warranty.
+ * Use, modification and distribution are subject to the 
+ * Boost Software License, Version 1.0. (See accompanying file 
+ * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
  */
 
@@ -38,3 +34,4 @@
 
 
 
+
diff --git a/old_include/cregex.h b/old_include/cregex.h
index 45ba6d43..060bab1c 100644
--- a/old_include/cregex.h
+++ b/old_include/cregex.h
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/old_include/fileiter.h b/old_include/fileiter.h
index 14093821..bac956a6 100644
--- a/old_include/fileiter.h
+++ b/old_include/fileiter.h
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/old_include/regex.h b/old_include/regex.h
index 58663c8c..14b05d2d 100644
--- a/old_include/regex.h
+++ b/old_include/regex.h
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/old_include/tests/snip1.cpp b/old_include/tests/snip1.cpp
index 4f0d810b..9cc21c2e 100644
--- a/old_include/tests/snip1.cpp
+++ b/old_include/tests/snip1.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/old_include/tests/snip2.cpp b/old_include/tests/snip2.cpp
index 6f38601d..4b1fa2fc 100644
--- a/old_include/tests/snip2.cpp
+++ b/old_include/tests/snip2.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/old_include/tests/snip3.cpp b/old_include/tests/snip3.cpp
index 35f75570..8cd33c4d 100644
--- a/old_include/tests/snip3.cpp
+++ b/old_include/tests/snip3.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/old_include/tests/snip4.cpp b/old_include/tests/snip4.cpp
index 1499c332..1506e23e 100644
--- a/old_include/tests/snip4.cpp
+++ b/old_include/tests/snip4.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/old_include/tests/snip5.cpp b/old_include/tests/snip5.cpp
index c46d96ba..92189050 100644
--- a/old_include/tests/snip5.cpp
+++ b/old_include/tests/snip5.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/old_include/tests/snip6.cpp b/old_include/tests/snip6.cpp
index 62f6e7d4..0d9587a3 100644
--- a/old_include/tests/snip6.cpp
+++ b/old_include/tests/snip6.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/old_include/tests/snip7.cpp b/old_include/tests/snip7.cpp
index 83737b3f..774faee6 100644
--- a/old_include/tests/snip7.cpp
+++ b/old_include/tests/snip7.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2000
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/performance/command_line.cpp b/performance/command_line.cpp
index e3715ab4..f444d63d 100644
--- a/performance/command_line.cpp
+++ b/performance/command_line.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002-2003
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/performance/main.cpp b/performance/main.cpp
index 0229aeb1..5af4653b 100644
--- a/performance/main.cpp
+++ b/performance/main.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/performance/regex_comparison.hpp b/performance/regex_comparison.hpp
index 28eea2c1..5e309ff4 100644
--- a/performance/regex_comparison.hpp
+++ b/performance/regex_comparison.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/performance/time_boost.cpp b/performance/time_boost.cpp
index 8d611f1d..52d27bab 100644
--- a/performance/time_boost.cpp
+++ b/performance/time_boost.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/performance/time_greta.cpp b/performance/time_greta.cpp
index 552a48e9..7653c6ce 100644
--- a/performance/time_greta.cpp
+++ b/performance/time_greta.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/performance/time_localised_boost.cpp b/performance/time_localised_boost.cpp
index db186c9e..fb748deb 100644
--- a/performance/time_localised_boost.cpp
+++ b/performance/time_localised_boost.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/performance/time_pcre.cpp b/performance/time_pcre.cpp
index 7ae98796..94ebbf81 100644
--- a/performance/time_pcre.cpp
+++ b/performance/time_pcre.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/performance/time_posix.cpp b/performance/time_posix.cpp
index 5d041696..6972ec8c 100644
--- a/performance/time_posix.cpp
+++ b/performance/time_posix.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/performance/time_safe_greta.cpp b/performance/time_safe_greta.cpp
index 0bf5c25f..cbf856b8 100644
--- a/performance/time_safe_greta.cpp
+++ b/performance/time_safe_greta.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/readme.txt b/readme.txt
index 2110a3b8..0e7078e6 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,7 +1,7 @@
 Copyright (c) 1998-2003
 Dr John Maddock
 
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
diff --git a/src/c_regex_traits.cpp b/src/c_regex_traits.cpp
index 43b29ad5..4e252e36 100644
--- a/src/c_regex_traits.cpp
+++ b/src/c_regex_traits.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/c_regex_traits_common.cpp b/src/c_regex_traits_common.cpp
index 5012b1a4..6bba7ec9 100644
--- a/src/c_regex_traits_common.cpp
+++ b/src/c_regex_traits_common.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/cpp_regex_traits.cpp b/src/cpp_regex_traits.cpp
index 235e3666..6003bb46 100644
--- a/src/cpp_regex_traits.cpp
+++ b/src/cpp_regex_traits.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/cregex.cpp b/src/cregex.cpp
index aa82d649..9a49a4ed 100644
--- a/src/cregex.cpp
+++ b/src/cregex.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/fileiter.cpp b/src/fileiter.cpp
index 461cc618..ed0f80fe 100644
--- a/src/fileiter.cpp
+++ b/src/fileiter.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/instances.cpp b/src/instances.cpp
index 26e1197a..6ff3e96d 100644
--- a/src/instances.cpp
+++ b/src/instances.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/posix_api.cpp b/src/posix_api.cpp
index 5568a850..f98cd660 100644
--- a/src/posix_api.cpp
+++ b/src/posix_api.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/primary_transform.hpp b/src/primary_transform.hpp
index 8eac439c..a7381b8b 100644
--- a/src/primary_transform.hpp
+++ b/src/primary_transform.hpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/regex.cpp b/src/regex.cpp
index 1c261a1c..e6f16307 100644
--- a/src/regex.cpp
+++ b/src/regex.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/regex_debug.cpp b/src/regex_debug.cpp
index 89486eb6..883d0a5f 100644
--- a/src/regex_debug.cpp
+++ b/src/regex_debug.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/regex_synch.cpp b/src/regex_synch.cpp
index 718e8214..cf7d7d55 100644
--- a/src/regex_synch.cpp
+++ b/src/regex_synch.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/w32_regex_traits.cpp b/src/w32_regex_traits.cpp
index 8a8f690e..5dac2c36 100644
--- a/src/w32_regex_traits.cpp
+++ b/src/w32_regex_traits.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/wide_posix_api.cpp b/src/wide_posix_api.cpp
index a72cd78e..e4313c88 100644
--- a/src/wide_posix_api.cpp
+++ b/src/wide_posix_api.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/src/winstances.cpp b/src/winstances.cpp
index afbe21ad..34e71a00 100644
--- a/src/winstances.cpp
+++ b/src/winstances.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/c_compiler_checks/posix_api_check.c b/test/c_compiler_checks/posix_api_check.c
index 588ddb61..309729be 100644
--- a/test/c_compiler_checks/posix_api_check.c
+++ b/test/c_compiler_checks/posix_api_check.c
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/c_compiler_checks/posix_api_check.cpp b/test/c_compiler_checks/posix_api_check.cpp
index 588ddb61..309729be 100644
--- a/test/c_compiler_checks/posix_api_check.cpp
+++ b/test/c_compiler_checks/posix_api_check.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/c_compiler_checks/wide_posix_api_check.c b/test/c_compiler_checks/wide_posix_api_check.c
index 0001cfb5..5a2ea0ce 100644
--- a/test/c_compiler_checks/wide_posix_api_check.c
+++ b/test/c_compiler_checks/wide_posix_api_check.c
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/c_compiler_checks/wide_posix_api_check.cpp b/test/c_compiler_checks/wide_posix_api_check.cpp
index af67bc8e..79ed451f 100644
--- a/test/c_compiler_checks/wide_posix_api_check.cpp
+++ b/test/c_compiler_checks/wide_posix_api_check.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/concepts/concept_check.cpp b/test/concepts/concept_check.cpp
index f3b19506..21e50b56 100644
--- a/test/concepts/concept_check.cpp
+++ b/test/concepts/concept_check.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2003
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/concepts/wide_concept_check.cpp b/test/concepts/wide_concept_check.cpp
index becb07cc..8b33c504 100644
--- a/test/concepts/wide_concept_check.cpp
+++ b/test/concepts/wide_concept_check.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2003
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/config_info/regex_config_info.cpp b/test/config_info/regex_config_info.cpp
index e76790b0..3d694515 100644
--- a/test/config_info/regex_config_info.cpp
+++ b/test/config_info/regex_config_info.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2003
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/pathology/bad_expression_test.cpp b/test/pathology/bad_expression_test.cpp
index 063ecd00..4fd3b7b4 100644
--- a/test/pathology/bad_expression_test.cpp
+++ b/test/pathology/bad_expression_test.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/pathology/recursion_test.cpp b/test/pathology/recursion_test.cpp
index aa423119..728dd229 100644
--- a/test/pathology/recursion_test.cpp
+++ b/test/pathology/recursion_test.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/regress/parse.cpp b/test/regress/parse.cpp
index e9ba570a..34425bd6 100644
--- a/test/regress/parse.cpp
+++ b/test/regress/parse.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/regress/regex_test.cpp b/test/regress/regex_test.cpp
index c2ccbee5..420450b0 100644
--- a/test/regress/regex_test.cpp
+++ b/test/regress/regex_test.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/regress/regress.cpp b/test/regress/regress.cpp
index 27db0ccf..4b58b497 100644
--- a/test/regress/regress.cpp
+++ b/test/regress/regress.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/regress/regress.h b/test/regress/regress.h
index 245d90f2..a479060c 100644
--- a/test/regress/regress.h
+++ b/test/regress/regress.h
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/regress/tests.cpp b/test/regress/tests.cpp
index ab4764d8..76f285d2 100644
--- a/test/regress/tests.cpp
+++ b/test/regress/tests.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *
diff --git a/test/regress/wregex_test.cpp b/test/regress/wregex_test.cpp
index 4d6392c4..bae13370 100644
--- a/test/regress/wregex_test.cpp
+++ b/test/regress/wregex_test.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 1998-2002
  * Dr John Maddock
  *
- * Use, modification and distribution is subject to the 
+ * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  *