[PATCH] cas command may return NOT_FOUND if the item was deleted or never existed.

[dormando]

r689, botched the commit message, but I modified the patch to explicitly
say the item could've never existed.

Thanks! (yes, I'll get to reviewing the more complicated stuff too;)
burned out this week)
-Dormando

Tomash Brechko wrote:
> ---
>  trunk/server/doc/protocol.txt |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/trunk/server/doc/protocol.txt b/trunk/server/doc/protocol.txt
> index efcd7eb..98d09c7 100644
> --- a/trunk/server/doc/protocol.txt
> +++ b/trunk/server/doc/protocol.txt
> @@ -201,6 +201,9 @@ item is in a delete queue (see the "delete" command below).
>  - "EXISTS\r\n" to indicate that the item you are trying to store with
>  a "cas" command has been modified since you last fetched it.
>  
> +- "NOT_FOUND\r\n" to indicate that the item you are trying to store
> +with a "cas" command has been deleted since you last fetched it.
> +
>  
>  Retrieval command:
>  ------------------