Fix #93: true/false being mis-parsed when part of an attribute name.

Nix/Parser/Library.hs

@@ -93,6 +93,8 @@ reservedNames = HashSet.fromList
     , "rec"
     , "inherit"
     , "or"
+    , "true"
+    , "false"
     ]
 
 stopWords :: (TokenParsing m, Monad m) => m ()

tests/ParserTests.hs

@@ -25,6 +25,11 @@ case_constant_bool = do
   assertParseString "true" $ mkBool True
   assertParseString "false" $ mkBool False
 
+case_constant_bool_respects_attributes :: Assertion
+case_constant_bool_respects_attributes = do
+  assertParseString "true-foo"  $ mkSym "true-foo"
+  assertParseString "false-bar" $ mkSym "false-bar"
+
 case_constant_path :: Assertion
 case_constant_path = do
   assertParseString "./." $ mkPath False "./."