Hi,

$...$ may sometimes get confused with currency signs, variable names and whatnot.

Org-mode is sophisticated about it as long as you follow a few safeguards -- from the Info section 11.7.3:

     To avoid conflicts
     with currency specifications, single `$' characters are only
     recognized as math delimiters if the enclosed text contains at
     most two line breaks, is directly attached to the `$' characters
     with no whitespace in between, and if the closing `$' is followed
     by whitespace, punctuation or a dash.  For the other delimiters,
     there is no such restriction, so when in doubt, use `\(...\)' as
     inline math delimiters.

But note that MathJax, the preferred backend for math in Org's HTML exports, does not support $...$ by default. To configure it, see:

http://www.mathjax.org/docs/1.1/tex.html#tex-and-latex-math-delimiters

Yours,

Christian

On 9/15/11 9:19 AM, Nick Dokos wrote:
suvayu ali<fatkasuvayu+li...@gmail.com>  wrote:

Hi Nick,

On Wed, Sep 14, 2011 at 6:55 PM, Nick Dokos<nicholas.do...@hp.com>  wrote:
* This is a test: \(T^{+}\)

Apart from what Christian said, do you have any comments about $..$
and \(..\) ? I hear conflicting arguments about which is preferred
(e.g. $..$ is a TeX construct where as \(..\) is a LaTeX macro arguing
in favour of $..$). Specially an opinion in the context of org ->
latex export would be interesting to hear.


As far as LaTeX is concerned, I believe that $...$ and \(...\) are
entirely equivalent (but you have to use \[...\], and not $$...$$ for
displayed material). That's from reading Lamport's book: sec 3.3 and
Appendix E (the "Miscellaneous" section); I have not checked the code.

I prefer \(...\) and (iirc) sometimes that has worked when $...$ has
not, but I don't remember the context; afaik those (rare) situations
were deemed to be bugs in the exporter and have all been fixed.

Nick





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