xwiki/xwiki-rendering — comment on commit be90233f7beb48ce6017751612ca0b9f3cd85e06
File:  line 0
By sdumitriu:

Personally, I believe that coding with thread-safety in mind is better, even if at the moment we know that some code is only executed by one thread. You never know when will we add another thread that performs link checks, or when a user will do that in his custom modules.