What does starting much higher up in the PUA chain
means? PUA is PUA right?
On Tue, Sep 9, 2014 at 2:30 PM, Shahyar Ghobadpour <
sghobadpour(a)wikimedia.org> wrote:
We can avoid the PUA areas that are commonly used
for emoji, and start
much higher up the PUA chain. That's the best we can do, and should work
for pretty much everything.
--Shahyar
On Mon, Aug 25, 2014 at 5:35 PM, Matthew Flaschen <
mflaschen(a)wikimedia.org> wrote:
On 08/22/2014 02:17 PM, Shahyar Ghobadpour
wrote:
I'm chiming in late here, but our icons are
in the PUA, and therefore
have nothing to actually "read". aria-hidden is not necessary in this
scenario; it is only needed when you are using unicode characters that
can be read by a screen reader as something (eg. the caret glyph is read
as "n-ary logical and"), but don't want it to because it is ornamental.
One potential issue they discuss for PUA is:
"Using the PUA avoids semantic conflicts, but that still leaves us with
visual ones. For example, some operating system default fonts define their
own characters in the PUA. If any of your icons are mapped to a character
with a default glyph and the font request doesn’t successfully complete,
the default glyph will be shown."
I don't know how real an issue this is (they discuss an apparent
real-world example on iOS). Might there be a noticeable number of failed
font requests on mobile? Are we avoiding the no-go areas of the PUA?
Matt Flaschen
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