[TSVN] Question re repo-browser (*possible* bug)

Often when I go into the repo browser I don't know what the current revision
number is but I want to look at the state of the project three version
previously (for example).
As there are multiple projects in the repo I normally then come out of the
repo browser and do something with 'Show Log'.
This time I decided to try changing the revision in the repo browser, and so
I changed it to '-3'. This attempted to browse a revision number too large
to fit on the revision button, I suspect this is a 32 bit integer. There
appears to be no checking on the revision number entered.
Actually it's a little more complex - the button shows a very big number but
if I try to open the folder in the repo I get ' Error * reference to
non-existent revision -3 in filesystem...'. If I try a rev of -1 I get
'Error * Berkely DB error for filesystem d:/.../db while reading filesystem
revision: Invalid argument bdb: illegal record number of 0'.

Two questions actually:
1) could the repo browser parse a rev no of the form '-x' to count back from
HEAD?
I don't see how this could be on a project/folder basis without a lot of
processing, but it would be nice.
2) it is unlikely to be an issue (!) should the rev no button handle numbers
longer than 8 digits?
Personally I doubt rev nos would ever get that large, but some form of
checking, preferably allowing negative offsets would be nice.
Any thoughts?

Bill

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