- // conversion to plain ascii: this is usefull for
- // converting numbers or strings which are certain
- // not to contain special chars (typically system
- // functions, X atoms, environment variables etc.)
+ // conversion to/from plain (i.e. 7 bit) ASCII: this is useful for
+ // converting numbers or strings which are certain not to contain special
+ // chars (typically system functions, X atoms, environment variables etc.)
+ //
+ // the behaviour of these functions with the strings containing anything
+ // else than 7 bit ASCII characters is undefined, use at your own risk.