From: Chris Weber (firstname.lastname@example.org)
Date: Wed Mar 18 2009 - 20:17:38 CST
I've looked on three systems, two Mac's - one is a colleagues, and one is my
wife's which I don't do any funky stuff on. And on my Windows system, I
looked at these in 'all' available fonts I have. Most of the fonts
installed showed empty whitespace, including Arial Unicode MS, Courier New,
Lucida Sans Unicode, and Everson Mono. Some fonts, not many, showed boxes
Do you know which font you used and could you try a few more on Mac? How
does system and application configuration determine which font displays a
character when many fonts are capable?
When you say you think I have a font installed incorrectly on these three
systems, do you mean the font is the problem or the way it's installed is
From: email@example.com [mailto:firstname.lastname@example.org] On
Behalf Of John H. Jenkins
Sent: Wednesday, March 18, 2009 3:54 PM
To: Unicode List
Subject: Re: Attack vectors through Unassigned Code Points in IDN
On Mar 18, 2009, at 4:23 PM, Chris Weber wrote:
> My question is - why would these code point ranges U+115A..U+1160
> and U+11A3..U+11A7 render as white space in Mac and Windows? This
> isn't just a product of Firefox, which I agree handles this poorly.
> In any application (e.g. notepad) they show as white space. I
> would expect them to map to a box or other no-glyph-exists fallback.
On my Mac they are not white space. It looks like you have a font
installed that (incorrectly IMHO) uses a blank glyph to display them.
John H. Jenkins
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