Merge commit '759a59f67bfcb7cf1fb11f289d04398eb78de908' into ps1-title

In effect, this reverts the change of the escape sequence from

  \033]0;

to

  \033[0m

due to an incorrect understanding of their purposes in 4e4e3f3.

Conflicts:
	etc/profile
Merge commit '0433db08af3db8454dd90cb416060dae2fe64716' into ps1-title

In effect, this reverts 0433db08af3db8454dd90cb416060dae2fe64716, since
its motivation (beep, double-display of pwd) is no longer present.

Conflicts:
	etc/profile