[PATCH] Cleanup in istream.tcc

[Martin Sebor]

Benjamin Kosnik wrote:

>>I suspect that it was not even considered when exceptions
>>were added to iostreams. I would like to see this specified
>>more precisely.
> 
> 
> Martin, I'm working on this, and hope to have something to present
> (informally, since I missed the pre-meeting deadline for this bit) in
> Hawaii. Interested? There are too many exception-handling
> inconsistencies in the io specification to ignore anymore...

Tell me about it! It's a lot of work, especially taking into account
all the issues (e.g., 61, 63, 64, 243, 309, 394, 397, 399, and 418)
but yes, I am interested in working with you (if that's what you
mean :)

Martin