Manyofthedesignationsusedbymanufacturersandsellerstodistinguishtheirprod-uctsareclaimedastrademarks.Wherethosedesignationsappearinthisbook,andThePragmaticProgrammers,LLCwasawareofatrademarkclaim,thedesignationshavebeenprintedininitialcapitallettersorinallc