On Fri, 21 Feb 2020 15:53:52 +0000 "Costello, Roger L. via Unicode" <unicode@unicode.org> wrote:
> Based on a private correspondence, I now realize that this statement: > > > > > Text files do not contain binary > > > > is not correct. > > > > Text files may indeed contain binary (i.e., bytes that are not > interpretable as characters). Namely, text files may contain > newlines, tabs, and some other invisible things. > > > > Question: "characters" are defined as only the visible things, right? No, white space (e.g. spaces, tabs and newlines) is normally considered to be composed of characters. And then there are much harder to discern things, such as zero-width spaces, line-break suppressors such as U+2060 WORD JOINER, and soft hyphens (interpreted as line-break opportunities). Richard.
