— Blog

Subscribe to this blog

Sharing Text Between CLI and GUI clipboard

For blind programmers using text editors like Vim, the command line is in most cases the most convenient work environment on GNU/Linux. On the other hand, some tasks are not possible on a virtual tty, like for instance, browsing complex web pages. The only alternative is to constantly switch …

read article ⇒

GladTeX — embed LaTeX-quality equations in HTML

A few months ago I searched for a solution to embed equations in HTML together with the LaTeX-equation in the alt-tag (alternative text). This allows blind people to read documents with equations together with their sighted colleagues. Pandoc finally gave me a hint, since it supports conversion from Markdown to …

read article ⇒

GPG — Value The Privacy Of Your E-Mail

GPG is a widely unknown encryption and signing service for electronic mail. Its features can be handy: you can safely deliver banking information via e-mail when using GPG or verify the authenticity of the sender of a message. I wil describe the basic setup for a GPG key, GPG configuration …

read article ⇒

Accessibility In Android

Finally I got my hands on a Samsung smartphone and tried out the accessibility provided with Talkback on an Android 4.2.2. I want to give a short overview what is already working and what not. Fortunately, I cannot (and don't want!) compare the accessibility to the other big …

read article ⇒

Encodings In CGI Scripts Using Python3

As some might have noticed, I have rewritten my internal blog handling to make the appearance more uniform with the general web site design and to allow comments in the future. Since I now have switched „full-time” to Python 3.x, I had some real problems with encodings in Python3-CGI …

read article ⇒

uTeXer: replace (math) Unicode

When I am reading scientific papers or technical books, I'm often stumbling over formulas. Since I'm using a screen reader, I can't read (in most cases) the Unicode signs and therefore they must be corrected (transcribed into LaTeX commands) by someone else. Another annoying thing are the ligatures produced by …

read article ⇒

Chroot At Boot Time

I wanted to experiment with more up-to-date software while preserving my stable working environment. Of course a frequent desire. Therefore I build a Debian unstable chroot and tried to get X running. But I didn't want to run chroot manually. In this article, I want to show you how I …

read article ⇒

Activities In Debian

In the last months, quite a few changes went into Debian, especially because Wheezy will be released soon. At this point a short overview about activities from me or about things which I've translated in the Wiki and are noteworthy to mention.

  1. accessibility of the graphical login manager (GDM3)
  2. brailleUtils …
read article ⇒

Scanning And Recognizing Text On The Console

The usual problem seems to be that there are a lot of tools which do the job, but the available front ends don't fulfil the personal requirements. Look at the current scanning front ends:

  • XSANE does not use Tesseract / Cuneiform (as OCR back-ends) by default which are the best (where …
read article ⇒

Virtualisation With Braille And Speech

I keep translating the Debian wiki page about accessibility into German. This helps me following the latest accessibility developments within the project. This way, I recently learned about accessible virtualization, which I am going to introduce here.

I already knew about the -curses option for QEMU/KVM to start a …

read article ⇒