Fix wording in comment

samples/shell.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 18 matching lines @@
 #include <v8-testing.h>
 #include <assert.h>
 #include <fcntl.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 
 // When building with V8 in a shared library we cannot use functions which
 // is not explicitly a part of the public V8 API. This extensive use of
 // #ifndef USING_V8_SHARED/#endif is a hack until we can resolve whether to
-// still use the shell sample for testing or change to use the  and the
-// developer shell d8 TODO(1272).
+// still use the shell sample for testing or change to use the developer
+// shell d8 TODO(1272).
 #ifndef USING_V8_SHARED
 #include "../src/v8.h"
 #endif  // USING_V8_SHARED
 
 #if !defined(_WIN32) && !defined(_WIN64)
 #include <unistd.h>  // NOLINT
 #endif
 
 static void ExitShell(int exit_code) {
   // Use _exit instead of exit to avoid races between isolate
@@ skipping 15 matching lines @@
 v8::Handle<v8::Value> Quit(const v8::Arguments& args);
 v8::Handle<v8::Value> Version(const v8::Arguments& args);
 v8::Handle<v8::String> ReadFile(const char* name);
 void ReportException(v8::TryCatch* handler);
 
 
 static bool last_run = true;
 
 class SourceGroup {
  public:
-  SourceGroup() : 
+  SourceGroup() :
 #ifndef USING_V8_SHARED
                   next_semaphore_(v8::internal::OS::CreateSemaphore(0)),
                   done_semaphore_(v8::internal::OS::CreateSemaphore(0)),
                   thread_(NULL),
 #endif  // USING_V8_SHARED
                   argv_(NULL),
                   begin_offset_(0),
                   end_offset_(0) { }
 
   void Begin(char** argv, int offset) {
@@ skipping 438 matching lines @@
       printf("^");
     }
     printf("\n");
     v8::String::Utf8Value stack_trace(try_catch->StackTrace());
     if (stack_trace.length() > 0) {
       const char* stack_trace_string = ToCString(stack_trace);
       printf("%s\n", stack_trace_string);
     }
   }
 }