
This will allow our callers who are capable of dealing with readonly folders to properly detect this condition and act accordingly. One example is Gmail's "Chats" folder that is read-only, but contains logs of the quick chats. Tested-by: Abdó Roig-Maranges <abdo.roig@gmail.com> Signed-off-by: Eygene Ryabinkin <rea@codelabs.ru>