From mboxrd@z Thu Jan  1 00:00:00 1970
From: Uwe Brauer <oub@mat.ucm.es>
Subject: Re: Bug: org-toggle-latex-fragment fails, example included [8.3.1
 (8.3.1-103-g366dc4-elpa @ /home/oub/.emacs.d/elpa/org-20150907/)]
Date: Tue, 15 Sep 2015 09:50:29 +0200
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>>>>> "Charles" == Charles C Berry <ccberry@ucsd.edu> writes:

> On Mon, 14 Sep 2015, Uwe Brauer wrote:
>> 
>> Hello
>> 
>> For the following example,
>> 
>> $$w∈ {C([0,T];H_{s,\delta} : \|w(0,\cdot )\|_{H_{s,\delta}} \leq  M_0,   w(t,x)\leq 0}$$
>> 

> $$w\in {C([0,T];H_{s,\delta} : \|w(0,\cdot )\|_{H_{s,\delta}} \leq  M_0,   w(t,x)\leq 0}$$

You are right, the evil ∈! Since I have started to use prettify-symbol
mode it is difficult to distinguish two situations:

    -   prettify-symbols, using overlays, *displays*  \in by  ∈

    -  but also \in can be *replaced* by the UTF8  ∈


After replacing the UTF8 by its latex constructions everything works
fine.

Sorry

Uwe