[LON-CAPA-users] Evaluation of variable in tex mode

[Michael T Hamlin]

Howdy Guy,

to prevent breaking problems, don't change the current behavior.

Instead, add the eval parameter for <tex> <web> and <display>
tags, which acts exactly like the eval parameter for <m> tag.
Only the default value of the parameter will be "on" for these
three, instead of "off" as it is for <m> (i think?).

So if someone really wants no variable interpolation, they can do
  <display eval="off">&tex('$x$','x')</display>

michael

>
> But this does bring up a more interesting question, should <display>
> (and <tex>/<web>) be doing what it is doing here, meaning it is
> currently doing the variable value replacement on the results of the
> <display>, <tex> and <web> tags.
>
> Should it be doing this? (I can make it stop, but I am not sure it is
> a good idea.)
>
> Is anyone using this effect?
>
> Is anyone annoyed by this effect?
>
>
> <display>$x=4;&tex('$x$','x')</display> should this put out 4$ or $x$
> in the tex file?
>
> --
> guy@albertelli.com  LON-CAPA Developer  0-7-5-6-
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