Dart SDK Spelling b, c, and d.

tests/lib_strong/mirrors/mirrors_reader.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICESNE file.
 
 library mirrors.reader;
 
 import 'dart:mirrors';
 import 'mirrors_visitor.dart';
 
 class ReadError {
@@ skipping 35 matching lines @@
       }
       throw 'Unexpected errors occurred reading mirrors.';
     }
   }
 
   // Skip mirrors so that each mirror is only visited once.
   bool skipMirror(Mirror mirror) {
     if (fatalError) return true;
     if (mirror is TypeMirror) {
       if (mirror.isOriginalDeclaration) {
-        // Visit the declation once.
+        // Visit the declaration once.
         return !declarations.add(mirror);
       } else {
         // Visit only one instantiation.
         return !instantiations.add(mirror.originalDeclaration);
       }
     }
     return !visited.add(mirror);
   }
 
   reportError(var receiver, String tag, var exception, StackTrace stackTrace) {
@@ skipping 184 matching lines @@
   }
 
   visitVariableMirror(VariableMirror mirror) {
     super.visitVariableMirror(mirror);
     visit(mirror, 'isConst', () => mirror.isConst);
     visit(mirror, 'isFinal', () => mirror.isFinal);
     visit(mirror, 'isStatic', () => mirror.isStatic);
     visit(mirror, 'type', () => mirror.type);
   }
 }