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

Raymond Batchelor batchelo at sfu.ca
Thu Jun 20 14:29:01 EDT 2013

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

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:

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


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