[OS X TeX] New Version of CommandCompletion.txt for TeXShop

Herb Schulz herbs at wideopenwest.com
Thu Sep 30 12:05:27 CEST 2004


On 9/29/04 10:14 PM, "Will Robertson" <will at guerilla.net.au> wrote:

> On 30 Sep 2004, at 12:25 PM, Herb Schulz wrote:
>> 
>> Is there some reason you believe that $...$ is more robust?
> 
> Well, I've traced down why I thought so: David Kastrup wrote on
> comp.text.tex the following:
> 
>> You have to be aware that $ is robust, while \(...\) is not.  That is,
>> if you say something like
>>    \section{\(E=mc^2\)}
>> it will barf, whereas the version with $...$ works fine.
> 
> While I haven't checked it, I'd believe him.
> 
> Will
> 
> PS I like using \( and \) for \left( and \right) respectively.
> 

Howdy,

I just took a look at the definitions of \( and \) in latex.ltx and they
seem rather innocuous. Because the open/close of the equation is no longer
symmetric \( checks to make sure you're not in math mode already before
issuing a $ and \) makes sure you are in math mode before issuing the $.
Maybe there is something in the generation of the error message that isn't
robust? When was that statement made? Maybe later versions of LaTeX2e became
more robust; I seem to remember something like that happening as time went
by.

Good Luck,

Herb Schulz
(herbs at wideopenwest.com)

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