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Bug#820911: installation-report: Accessibility for visual impaired is broken,, High-Contrast Theme is no longer activated by shortcut

Dear all :),

The issue still appears in the Debian Installer Stretch Alpha 8 (on EFI).

I don't know how to fix this issue myself so I think at this time we have two options :
- Change the Debian installation guide to help visual-impaired to
activate the ncurse or graphical high-contrast theme.
I'm not able to write it myself because the contrast of the first screen
makes it completely unreadable for me.
- Resolve the issue to provide the same easy steps as describe here : https://www.debian.org/releases/jessie/amd64/ch05s02.html.en#idp71552032

This issue also affects blind people who have non-USB braille displays (because the device is not auto-detected).

I'm available on IRC (nickname alexarnaud) or by mail to discuss what is for you the best way for making the Debian Installer accessible
for everybody.

Best regards.
Visual-Impairment Project Manager
Hypra - "Humanizing technology"

Le 17/04/2016 à 00:15, Steve McIntyre a écrit :
On Sat, Apr 16, 2016 at 11:41:48PM +0200, Samuel Thibault wrote:
Control: reassign -1 debian-installer


Alex ARNAUD, on Wed 13 Apr 2016 17:51:45 +0200, wrote:
I've tried to reproduce the instructions in the Debian installation guide in
"Accessibility" section at "5.2.7 High-Contrast Theme" :

   * What was the outcome of this action?

I'm not able to enable the high-contract theme.

? This works for me. Did you take care that the keyboard is using a
qwerty layout at boot menu?

He didn't mention it in the bug report, but Alex was talking about his
problem on irc beforehand. He's booting in UEFI mode (and hence using
Grub rather than isolinux). While it's possible to set extra
variables on the Grub command line, it's much more involved and likely
to be very difficult for a sight-impaired user.

   * What outcome did you expect instead?

The best way should be to have only a unique key shortcut (maybe "h" for
high-contrast theme) to launch the ncurse installer.

Well, it's not really the ncurses installer which matters, but selecting
the dark theme. Now, a shortcut is something being considered, see
thread on
I believe we agreed how we want it to look like, and now it's a "matter"
of implementing it.

Ah, I missed that thread. It would be much easier for people using
Grub if we added an extra menu level, definitely.

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