Index: boost/spirit/home/support/common_terminals.hpp
===================================================================
--- boost/spirit/home/support/common_terminals.hpp	(revision 62666)
+++ boost/spirit/home/support/common_terminals.hpp	(working copy)
@@ -18,6 +18,7 @@
 #include <boost/spirit/home/support/char_encoding/ascii.hpp>
 #include <boost/spirit/home/support/char_encoding/iso8859_1.hpp>
 #include <boost/spirit/home/support/char_class.hpp>
+#include <boost/spirit/home/support/detail/encoding_specific_impl.hpp>
 #include <boost/mpl/vector.hpp>
 
 #if defined(BOOST_SPIRIT_UNICODE)
@@ -138,6 +139,10 @@
         struct attr_cast {};
     }
 
+    // A trait to provide access to the encoding-specific placeholders
+    template< typename EncodingT >
+    struct encoding_specific;
+
 }}
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -196,7 +201,33 @@
         BOOST_SPIRIT_CHAR_CODE(upper, spirit::char_encoding::charset)           \
         BOOST_SPIRIT_CHAR_CODE(lowernum, spirit::char_encoding::charset)        \
         BOOST_SPIRIT_CHAR_CODE(uppernum, spirit::char_encoding::charset)        \
-    }}}                                                                         \
+    }                                                                           \
+                                                                                \
+    template< >                                                                 \
+    struct encoding_specific< spirit::char_encoding::charset > :                \
+        public detail::encoding_specific_impl<                                  \
+            charset::char_type,                                                 \
+            charset::string_type,                                               \
+            charset::alnum_type,                                                \
+            charset::alpha_type,                                                \
+            charset::blank_type,                                                \
+            charset::cntrl_type,                                                \
+            charset::digit_type,                                                \
+            charset::graph_type,                                                \
+            charset::print_type,                                                \
+            charset::punct_type,                                                \
+            charset::space_type,                                                \
+            charset::xdigit_type,                                               \
+            charset::no_case_type,                                              \
+            charset::lower_type,                                                \
+            charset::upper_type,                                                \
+            charset::lowernum_type,                                             \
+            charset::uppernum_type                                              \
+        >                                                                       \
+    {                                                                           \
+    };                                                                          \
+                                                                                \
+    }}                                                                          \
     /***/
 
 BOOST_SPIRIT_DEFINE_CHAR_CODES(ascii)