[Building Sakai] Equation images removed from answers in Samigo

[Brian Jones]

This jira may be relevant:

https://jira.sakaiproject.org/browse/SAM-2131 

Brian Jones
Applications Development
Information Technology Services
Support Services Building, Room 4326
Western University
(519) 661-2111 x86969
bjones86 at uwo.ca


-----Original Message-----
From: sakai-dev-bounces at collab.sakaiproject.org
[mailto:sakai-dev-bounces at collab.sakaiproject.org] On Behalf Of Daniel
Merino
Sent: Friday, October 18, 2013 8:54 AM
To: sakai-dev
Subject: [Building Sakai] Equation images removed from answers in Samigo

Hi everybody.

After going to 2.9.2, we are currently receiving quite complaints of
teachers who have lost answers in Samigo questions after editing them.

These answers are embedded images with equations. I have tested that is
happening in our 2.9.2 server and that in a trunk qa server
(http://sakai-trunk.atica.um.es/portal/) I can also replicate the issue.

For example, when creating or editing a multiple choice question in a pool,
if user adds as answer the next HTML code:

<img
src="http://latex.codecogs.com/gif.latex?\frac{\mathrm{d}&space;35x}{\mathrm
{d}&space;x*2}" 
title="\frac{\mathrm{d} 35x}{\mathrm{d} x*2}" />

and then saves the question, answer is deleted and no error is thrown in
screen neither in Sakai's log.

Other images are saved correctly, so I think this is some issue with Latex
code in img tag. AFAIK this didn't happen in Sakai 2.7.

I have tried to track the issue, but I haven't found nothing. Please, could
somebody tell me where answers texts are validated in Samigo?

Thanks in advance.
Best regards.
--
Daniel Merino Echeverría
daniel.merino at unavarra.es
Gestor de teleformación - Centro Superior de Innovación Educativa.
Tfno: 948-168489 - Universidad Pública de Navarra.
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