[texhax] TeX for the blind

Philip TAYLOR P.Taylor at Rhul.Ac.Uk
Fri Dec 8 16:19:35 CET 2006

William Adams wrote:


> As a test on that, try a .pdf of $a^2 + b^2 = c^2$ --- someone needs  
> to teach these screen reader folks that the Pythagorean theorem is  
> _not_ ``a2 plus b2 equals c2''.

I genuinely cannot see how a screen-reader, given only a formatted
page image with no semantic markup, can possibly know that the "2"
in x^2 + y+2 = z^2 should be pronounced "squared" whilst the
"3" in this footnote^3 should be pronounced "see footnote 3" and
the "-1" in this trigonometry (sin^-1) should be moved to the front
of the "sin"(e) and pronounced "arc" !

Philip Taylor

[1] ...
[2] ...
[3] This is Footnote 3

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