will named delete .jnl files ?

[Jack Tavares]

I know how named uses the journal files and how data from those
will eventually get written to the zone files.
 
My question is:
 
will named ever delete the .jnl files? 
For instance:
 
updates come in, get stored in .jnl file.
<some time later> those changes are preserved in the zone file.
does named then delete the .jnl file? 
 
My empirical evidence leads me to believe that the answer is "no"
but I certainly haven't tested every possibility.
 
Thanks
 
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Jack Tavares
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