* make dh_install use hard links for efficiency
* dh_installinit --restart-after-upgrade as default?
* #487006: dh_installman with 3-letter codes
-* apply patch in #557603 (breaks compatability slightly; see #560120)
+* apply patch in #557603 (breaks compatibility slightly; see #560120)
* clean up dh's handling of options passed onto commands it calls,
either by requiring they come after -- , or by one of the other
changes discussed in #570039