1.6.7 More text encodings

Several terminals, including postscript, `x11` and `pm`, support additional text `encodings`: ISO 8859-1 (Latin 1), ISO 8859-2 (Latin 2), ISO 8859-15 (variant of 8859-1 with Euro sign), KOI8-R and KOI8-U (cyrillic), and miscellaneous codepages. See encoding for more details.