Mostly unused function arguments but there were also a fair number
of legacy names which are now no longer used.
One question which comes up – mostly in tilesource.js – is whether
there is any value in leaving unused variables for functions which
are intended to be overridden anyway. I'm inclined to say that the
docs + tests need to be sufficient as there's no enforcement that
whatever is in the base implementation will actually be followed by
any of the real functions.
The license text will be provided on the website, etc., and it seems
strange to list no copyright date newer than the original CodePlex
copyright from the AJAX Control Toolkit. Add a blanket copyright
statement for contributions to the OpenSeadragon project, stating that
copyright is held by the authors of each contribution. This blanket
statement is not intended to preclude individual contributors from
attaching their own copyright statements to their modifications.
