...as had been done in sal/textenc/tcvtlat1.tab, in
5034e821 "Translate German comments and debug
strings (leftovers in dirs sal to sc)".  What those comments actually want to
say is that, despite being the ASCII control character region, those encodings
contain some graphic characters there.

Change-Id: Iefad9c45341891c3e91e6b9fb265d3070d1220ad