[LON-CAPA-users] occasional errors rendering content inside <m></m>

[Justin Gray]

Note that course coordinators can force students to use a particular math
rendering engine to display equations in the course configuration. If you
hardcode this attribute within the <m> tags then course coordinators that
use this problem will no longer have that option.

Justin

Justin Gray | Senior Lecturer
Department of Mathematics | Simon Fraser University
8888 University Drive, Burnaby | V5A 1S6 | Canada
Tel: +1 778.782.4237



On Thu, Jun 20, 2013 at 11:29 AM, Raymond Batchelor <batchelo at sfu.ca> wrote:

> That does not happen here (under LON-CAPA version 2.10.1).
>
>
> ----- Original Message -----
> From: "Joseph Mingrone" <jrm at mathstat.dal.ca>
> To: lon-capa-users at mail.lon-capa.org
> Sent: Thursday, 20 June, 2013 07:05:04
> Subject: [LON-CAPA-users] occasional errors rendering content inside
> <m></m>
>
> Hello all;
>
> About 1 out 10 times a problem is rendered, content inside all <m></m>
> tags shows up as "[TeX unconverted due to previous errors]".  After
> clicking "New Randomization" everything displays fine.
>
> In the web server logs, the only possibly relevant error is
>
>         (Missing operator before E_TRIE_MAXBUF?)
> Bareword found where operator expected at (eval 119198) line 1, near
> "@E_TRIE_MAXBUF".
>
> Tags that use <m display="mimetex"></m> always show up fine.
>
> An example problem that I can confirm has this issue can be found here:
> http://ftfl.ca/misc/bone_mineral_density.problem.
>
> I'll guess the overhead to display an image for every piece of LaTeX
> (display="mimetex") is much higher than rendering a font
> (display="tth"), so always using mimetex might not be the best
> workaround?
>
> Thanks,
>
> Joseph
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