diff -crB /cygdrive/d/programs/boost_1_46_1/libs/filesystem/v3/src/path.cpp /cygdrive/d/programs/boost_1_46_1_orig/libs/filesystem/v3/src/path.cpp
*** /cygdrive/d/programs/boost_1_46_1/libs/filesystem/v3/src/path.cpp	2011-03-31 11:05:13.829400000 +0200
--- /cygdrive/d/programs/boost_1_46_1_orig/libs/filesystem/v3/src/path.cpp	2011-03-03 19:00:21.615249000 +0100
***************
*** 84,90 ****
    const wchar_t* preferred_separator_string = L"\\";
    const wchar_t colon = L':';
    const wchar_t dot = L'.';
-   const wchar_t questionmark = L'?';
    const fs::path dot_path(L".");
    const fs::path dot_dot_path(L"..");
  
--- 84,89 ----
***************
*** 491,509 ****
        && is_separator(path[0])
        && is_separator(path[1])) return string_type::npos;
  
- #   ifdef BOOST_WINDOWS_API
- 	// case "\\?\"
- 	if (size > 4
- 	  && is_separator(path[0])
- 	  && is_separator(path[1])
- 	  && path[2] == questionmark
- 	  && is_separator(path[3]))
- 	{
- 	  string_type::size_type pos(path.find_first_of(separators, 4));
-       return pos < size ? pos : string_type::npos;
- 	}
- #   endif
- 
      // case "//net {/}"
      if (size > 3
        && is_separator(path[0])
--- 490,495 ----