Re: Add Font Family back to adaptation

The need is conflict pairs in font families. The most common are: Capital
I, Lower case l and the digit 1 (that is actually 3 pairs taken 2 at a
time). The other pairs are S (capital 'S') and 5 (digit 5), B (capital 'B')
and 8 (digit 8), O (capital 'O') and 0 (the digit zero) and in some script
cases Q (upper case Q) and 2 (digit 2).

Letter spacing and size are different issues. The capital 'I' and lower 'l'
is the worst. Frequently the only difference is a slight difference in
height. These pairs do not pose a huge problem in text, but outline numbers
and passwords are a different situation.

Use case: You forget your password and get a temporary password on your
mobile phone.You are forced to copy the password by hand to your computer,
and if you cannot distinguish one of these pairs, then you are in serious
trouble.

Wayne

On Tue, Jun 6, 2017 at 9:19 AM, Alastair Campbell <acampbell@nomensa.com>
wrote:

> Hi Wayne,
>
>
>
> For what purpose? I thought the point was that we assume people can
> over-ride fonts, therefore we cover that need with sizing?
>
>
>
> Having looked at the distribution of font-sizes, do we need to increase
> the spacing aspects of the current bullets?
>
>
>
> Note that there is a balance: Layouts can take a certain amount of buffer
> before they look odd in regular use. If we push past that point (my feeling
> is around 10-15% increase) then it will be either rejected by the design &
> dev community, or moved into a personalisation SC.
>
>
>
> Going past that point means a more significant override, so either
> discarding the author-styles (like Linearise assumes), or adding
> alternative layouts with personalisation. In either of those cases, it
> would move out of the text-adaptation SC anyway.
>
>
>
> I’m more concerned with colour which isn’t covered yet, does anyone have
> further ideas on including that?
>
>
>
> -Alastair
>
>
>
>
>
>
>
> *From: *Wayne Dick <wayneedick@gmail.com>
> *Date: *Tuesday, 6 June 2017 at 16:50
> *To: *LVTF - low-vision-a11y <public-low-vision-a11y-tf@w3.org>
> *Subject: *Add Font Family back to adaptation
> *Resent-From: *LVTF - low-vision-a11y <public-low-vision-a11y-tf@w3.org>
> *Resent-Date: *Tuesday, 6 June 2017 at 16:51
>
>
>
> It is time to put font family back into Adapting Text. Steve has addressed
> the icon substitution issue well. Namely add failure to mark icon fonts to
> 1.3.1. I have looked at the distribution of font face sizes. Within each
> writing system:
>
>    1. Identify a mean character size within the script for that system.
>    2. Compute the ratio R of average character size by family to mean
>    character size over all families in a representative sample.
>    3. Using language experts, establish boundaries that make sense close
>    to 1 standard deviation from the mean.
>
> Note: Mean +/- 1.2 should do based on the physiology of the human eye.
>
>
>
> Wayne
>