dchange(), uchange() and dnews() in etc/zsh/zshrc use most(1) for
displaying their results.
But since there's `(( ${+PAGER} )) || export PAGER="less"' set in
etc/skel/.zshrc I think it's better to use $PAGER than a fix program.

In association to that, less is more! (o;

According to that, I moved `(( ${+PAGER} )) || export PAGER="less"'
from /etc/skel/.zshrc to /etc/zsh/zshrc.