Dear Maintainer,

I'm maintaining a package that regularly changes from tab to space indenting.

This is quite annoying when running gbp pq rebase because the patches have to
be processed by hand (I mean, gbp pq rebase will report conflicts that have to
be resolved manually).

With quilt I can pass options to ignore whitespace changes, but with gbp pq
rebase this is not possible.

eg with: QUILT_PATCH_OPTS="--reject-format=unified --ignore-whitespace"

Could you add such a feature? That would be very handy.

Fab