PREPROCESSOR -> PP. WHILE documented.

[SVN r12162]

doc/keywords.txt

@@ -1,40 +1,41 @@
-BOOST_PREPROCESSOR_ADD
-BOOST_PREPROCESSOR_AND
-BOOST_PREPROCESSOR_ASSERT_MSG
-BOOST_PREPROCESSOR_BOOL
-BOOST_PREPROCESSOR_CAT
-BOOST_PREPROCESSOR_COMMA
-BOOST_PREPROCESSOR_COMMA_IF
-BOOST_PREPROCESSOR_DEC
-BOOST_PREPROCESSOR_DIV
-BOOST_PREPROCESSOR_EMPTY
-BOOST_PREPROCESSOR_ENUM_PARAMS
-BOOST_PREPROCESSOR_ENUM_PARAMS_WITH_A_DEFAULT
-BOOST_PREPROCESSOR_ENUM_PARAMS_WITH_DEFAULTS
-BOOST_PREPROCESSOR_ENUM_SHIFTED_PARAMS
-BOOST_PREPROCESSOR_EQUAL
-BOOST_PREPROCESSOR_GREATER
-BOOST_PREPROCESSOR_GREATER_EQUAL
-BOOST_PREPROCESSOR_IDENTITY
-BOOST_PREPROCESSOR_IF
-BOOST_PREPROCESSOR_INC
-BOOST_PREPROCESSOR_LESS
-BOOST_PREPROCESSOR_LESS_EQUAL
-BOOST_PREPROCESSOR_LIMIT_DIM
-BOOST_PREPROCESSOR_LIMIT_MAG
-BOOST_PREPROCESSOR_LIMIT_TUPLE
-BOOST_PREPROCESSOR_MAX
-BOOST_PREPROCESSOR_MIN
-BOOST_PREPROCESSOR_MOD
-BOOST_PREPROCESSOR_MUL
-BOOST_PREPROCESSOR_NOR
-BOOST_PREPROCESSOR_NOT
-BOOST_PREPROCESSOR_NOT_EQUAL
-BOOST_PREPROCESSOR_OR
-BOOST_PREPROCESSOR_REPEAT
-BOOST_PREPROCESSOR_REPEAT_2ND
-BOOST_PREPROCESSOR_REPEAT_3RD
-BOOST_PREPROCESSOR_STRINGIZE
-BOOST_PREPROCESSOR_SUB
-BOOST_PREPROCESSOR_TUPLE_ELEM
-BOOST_PREPROCESSOR_XOR
+BOOST_PP_ADD
+BOOST_PP_AND
+BOOST_PP_ASSERT_MSG
+BOOST_PP_BOOL
+BOOST_PP_CAT
+BOOST_PP_COMMA
+BOOST_PP_COMMA_IF
+BOOST_PP_DEC
+BOOST_PP_DIV
+BOOST_PP_EMPTY
+BOOST_PP_ENUM_PARAMS
+BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT
+BOOST_PP_ENUM_PARAMS_WITH_DEFAULTS
+BOOST_PP_ENUM_SHIFTED_PARAMS
+BOOST_PP_EQUAL
+BOOST_PP_GREATER
+BOOST_PP_GREATER_EQUAL
+BOOST_PP_IDENTITY
+BOOST_PP_IF
+BOOST_PP_INC
+BOOST_PP_LESS
+BOOST_PP_LESS_EQUAL
+BOOST_PP_LIMIT_DIM
+BOOST_PP_LIMIT_MAG
+BOOST_PP_LIMIT_TUPLE
+BOOST_PP_MAX
+BOOST_PP_MIN
+BOOST_PP_MOD
+BOOST_PP_MUL
+BOOST_PP_NOR
+BOOST_PP_NOT
+BOOST_PP_NOT_EQUAL
+BOOST_PP_OR
+BOOST_PP_REPEAT
+BOOST_PP_REPEAT_2ND
+BOOST_PP_REPEAT_3RD
+BOOST_PP_STRINGIZE
+BOOST_PP_SUB
+BOOST_PP_TUPLE_ELEM
+BOOST_PP_WHILE
+BOOST_PP_XOR