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## Re: [O] math in parentheses

 From: Andreas Leha Subject: Re: [O] math in parentheses Date: Tue, 28 Oct 2014 17:30:29 +0000 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (darwin)

Hi Nick,

>
>> Hi Richard,
>>
>>> Hi Andreas,
>>>
>>>
>>>> I encounter a problem using $..$ expressions when they are enclosed
>>>> in parentheses.
>>>
>>>> This $T$ works, but ($T$) this does not.
>>>>
>>>> Is that expected behaviour?
>>>>
>>>> (Note that $$...$$ expressions work.)
>>>
>>> Yes, that is the expected behavior.  Org is much pickier about when "$" >>> can be a math delimiter than "$$...$$". The reason is that "$" can
>>> also be used as a regular symbol in Org documents; when it is, it should
>>> be *not* be exported as a math delimiter to LaTeX, and distinguishing
>>> non-math-delimiting from math-delimiting uses of "$" is not a trivial >>> matter. >>> >>> Thus, when in doubt, use "$$...$$". >>> >> >> Thanks for following that up. I do use $$...$$ when I encounter >> problems with$...$(which is a lot nicer to type and read). >> >> I am happy with using the fall-back $$...$$ every now and then. >> >> Just for me to understand: Is the problem the missing whitespace >> around the$...$expression? >> > > See > > > http://tex.stackexchange.com/questions/510/are-and-preferable-to-dollar-signs-for-math-mode > > for some arguments for and (mostly) against (although one of the "for"s > is Frank Mittelbach - which surely tilts the scale quite a lot). Thanks. A very good read. These are arguments on the LaTeX end. My question was more on the orgmode end, I guess. > FWIW, > I've trained myself to use $$...$$ and don't find it any harder to read > than$...\$ - and I don't mind the extra typing either.  The fact that
> both org and MathJax deal better with $$...$$ just reinforces that
> choice.

I do not agree with the readability but I can live (quite happily) with
using $$...$$.  And maybe my perception of the readability changes over
time....

Regards,
Andreas