Adding a bit of documentation for whitespace trimming.
Adding a bit of documentation for whitespace trimming.

Rvanlaak/Twig,gencer/Twig,znerol/Twig,Tobion/Twig,maartendekeizer/Twig,jamessingizi/Twig,markstory/Twig,gamernetwork/Twig,framewr/Twig,gamernetwork/Twig,framewr/Twig,loi-chuanoi/Twig,apishka/templater,derickr/Twig,iKwinto/Twig,Rvanlaak/Twig,apishka/templater,bocharsky-bw/Twig,twigphp/Twig,maartendekeizer/Twig,hason/Twig,huang53798584/Twig,andrerom/Twig,dkarvounaris/Twig,znerol/Twig,robregonm/Twig,peterkokot/Twig,phansys/Twig,iKwinto/Twig,craue/Twig,znerol/Twig,fsw/Twig,jamessingizi/Twig,gencer/Twig,derickr/Twig,framewr/Twig,hason/Twig,hhamon/Twig,dkarvounaris/Twig,andrerom/Twig,peterkokot/Twig,moltin/Twig,Tobion/Twig,gamernetwork/Twig,craue/Twig,huang53798584/Twig,bocharsky-bw/Twig,fsw/Twig,Tobion/Twig,fsw/Twig,nicolas-grekas/Twig,moufmouf/Twig,hhamon/Twig,nicolas-grekas/Twig,markstory/Twig,huang53798584/Twig,twigphp/Twig,twigphp/Twig,phansys/Twig,sstok/Twig,hhamon/Twig,moufmouf/Twig,hason/Twig,iKwinto/Twig,Rvanlaak/Twig,nicolas-grekas/Twig,moufmouf/Twig,moltin/Twig,robregonm/Twig,sstok/Twig,nicolas-grekas/Twig,moltin/Twig,bocharsky-bw/Twig,jamessingizi/Twig,robregonm/Twig,dkarvounaris/Twig,nicolas-grekas/Twig,derickr/Twig