Bug#963523: apt: show held packages status with 'apt list --upgradable' command

May be better to separate package list in two sections, one for upgradable and other for hold, if any package is on-hold. This way list will look more clearer; and we can easily figure out list of hold packages without looking for meta tag.

Bug#963523: apt: show held packages status with 'apt list --upgradable' command

Package: apt Version: 1.8.2.1 Severity: wishlist Tags: upstream Dear Maintainers, Sometimes I hold some packages from being automatically upgraded using 'apt-mark hold ' command; but when I run 'apt list --upgradable' command, there is no way to know which package has been held. Indeed, I can