Storage space questions

While I'm still trying to figure out how to build the python bindings
for viewcvs, came up with a few questions regarding storage space.

First off, when taging, does it litterally copy over everything from
the trunk each time you tag it? For example, I have 50kb in 10 files
that I tag as v1.0. Well I then I make a couple changes in two files
and lets just say it's still 50kb and I tag that as v1.1. Now, aside
from all the size increases from commits and stuff, does this mean
that right now the files in the repository are taking up 150kb (the
two tagged directories and the trunk directory)? Or does it just
store the two changed files in the v1.1 tag and just link to the
other files in v1.0 since they didn't change?

Also, on the subject of commits, when I commit a change to a file,
does it store a whole copy of that file with the changes or does it
just, in lamen's terms, store the difference?

-- 
Todd Eddy
vrillusions@neo.rr.com
www.vrillusions.com
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