v2.3
Use $(VAR), rather than obsolescent @VAR@ automake notation.
maint: update all FSF copyright year lists to include 2010
maint: pass newer "make syntax-check" tests from gnulib
maint: remove empty lines at end of file
libparted: uninit_bg and flex_bg features should indicate ext4
ext2: don't overflow when creating a partition of size 2TiB or larger