Dart SDK Spelling b, c, and d.

tools/dom/src/native_DOMImplementation.dart

 // Copyright (c) 2012, 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 LICENSE file.
 
 part of html;
 
 class _Property {
   _Property(this.name)
       : _hasValue = false,
         writable = false,
@@ skipping 592 matching lines @@
 
     if (o is Type) {
       addForClass(reflectClass(o), true);
     } else {
       addForClass(reflect(o).type, false);
     }
     return completions.toList(growable: false);
   }
 
   /**
-   * Adds all candidate String completitions from [declarations] to [output]
+   * Adds all candidate String completions from [declarations] to [output]
    * filtering based on [staticContext] and [includePrivate].
    */
   static void _getCompletionsHelper(ClassMirror classMirror, bool staticContext,
       LibraryMirror libraryMirror, Set<String> output) {
     bool includePrivate = libraryMirror == classMirror.owner;
     classMirror.declarations.forEach((symbol, declaration) {
       if (!includePrivate && declaration.isPrivate) return;
       if (declaration is VariableMirror) {
         if (staticContext != declaration.isStatic) return;
       } else if (declaration is MethodMirror) {
@@ skipping 57 matching lines @@
     _getCompletionsHelper(classMirror, staticContext, libraryMirror, names);
   }
 
   static List<String> getLibraryCompletions(String url) {
     var names = new Set<String>();
     _getLibraryCompletionsHelper(getLibraryMirror(url), true, names);
     return names.toList();
   }
 
   /**
-   * Get valid code completitions from within a library and all libraries
+   * Get valid code completions from within a library and all libraries
    * imported by that library.
    */
   static List<String> getLibraryCompletionsIncludingImports(String url) {
     var names = new Set<String>();
     var libraryMirror = getLibraryMirror(url);
     _getLibraryCompletionsHelper(libraryMirror, true, names);
     for (var dependency in libraryMirror.libraryDependencies) {
       if (dependency.isImport) {
         if (dependency.prefix == null) {
           _getLibraryCompletionsHelper(dependency.targetLibrary, false, names);
@@ skipping 688 matching lines @@
 get _scheduleImmediateClosure => (void callback()) {
       _scheduleImmediateHelper._schedule(callback);
     };
 
 get _pureIsolateScheduleImmediateClosure => ((void callback()) =>
     throw new UnimplementedError("scheduleMicrotask in background isolates "
         "are not supported in the browser"));
 
 // Class for unsupported native browser 'DOM' objects.
 class _UnsupportedBrowserObject extends DartHtmlDomObject {}