add the ability to scroll up or down single lines without scrolling the
cursor, via Meta-- and Meta-+; note that this is disabled when
NANO_SMALL is defined


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3049 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
5 files changed