PRI #299

Mark Davis ☕️ mark at
Mon Jul 6 11:16:17 CDT 2015

On Mon, Jul 6, 2015 at 5:53 PM, Leo Broukhis <leob at> wrote:
>> Most platforms display unknown printable characters as white
>> rectangles with hex digits in them.
>> In Doug's message, I saw a rectangle with 01F in the upper row, and
>> 3F3 in the lower row.

> > This is a handy feature, at least for character geeks like us, but "most
> > platforms" might be a bit misleading here. There is a rather commonly
> > used platform that starts with the letter W which does not do this.
> I was a little surprised myself when I saw it in Firefox under W7
> Enterprise, but here we are.

​"Most platforms" is quite misleading.

Rather the converse: for the vast majority of people, the programs that
they use on the devices they have will *not* show unknown printable
characters in a format with readable hex digits.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the Unicode mailing list