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math captcha (Drupal module)

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From: Dona Patrick
Date: Aug 4, 2014 8:08AM

I'm evaluating a website for accessibility. This site has a math captcha in
which the math question is not read while in forms mode by JAWS or NVDA.
The user can use the up arrow key to hear the question, but it is not read
when tabbing into the form field.

It is very similar to the captcha on this page:
http://www.pathstoliteracy.org/technology/typeability-keyboard-instruction-software-jaws-and-magic
Where, while tabbing into the captcha form field both JAWS and NVDA read
"Captcha math question star edit. Type in text."

My gut says that this is an accessibility problem but I wanted to check
with the experts before adding it to my report. Do screen reader users just
know that if something seems to be missing from a form field to use arrow
keys to find it or is this a true accessibility issue?

Thanks,

Dona