Assorted fixes: Makefile, tests, gie enhancement, Travis-CI simplification #1088
…fix DHDN_ETRS89 autoconf test
kbevers left a comment
The new gie keyword should be documented in
It doesn't seem to be possible to require more than one grid, is that true? I think it would be useful if you were able to require several grids, since that is needed in some transformations.