e-mail address (author), 277 
     e-mailing user feedback,  291  ,  291-292  
     ECMA (European Computer Manufacturer's Association),  321  
      efficiency issues,  260-261  , 262 
      eMbedded Visual Tools emulator,  238-239  
     embedding URLs in hyperlinks , 109,  109-110  
     emulators,  See also  mobile device 
  built into Visual Studio .NET,  237-238  , 237-238 
  defined,  321  
  downloading, 236-237 
  eMbedded Visual Tools, 238-239 
  limitations, 235 
  Openwave SDK, 239-242,  240-242, 253  
  overview, 235-236 
  problems, 239 
  for Smartphones, 242-243,  243-244  
  versus testing on devices, 236 
      encoding special characters in XML, URL,  55-58  ,  57-58  
       executeQuery() method, 223 
     executeUpdate() method, 226 
      eXtensible Access Control Markup Language (XACML),  321  
     eXtensible Hypertext Markup Language (XHTML),  322  
     eXtensible Markup Language Remote 
  Procedure Call (XML-RPC),  322  
     eXtensible Markup Language.  See  XML 
     eXtensible Style Language (XSL),  322  
     eXtensible Stylesheet Language 
  Transformations.  See  XSLT