Adding notes about Extension registration to the DI component#2161

Merged

weaverryan merged 2 commits intosymfony:2.0from

richardmiller-zz:adding_di_note

Jan 20, 2013

Commits on Jan 20, 2013

Adding notes about Extension registration to the DI component
richardmiller-zz
committed
Removing unused use statements from code sample
richardmiller-zz
committed