[NTG-pdftex] \mathsurround

David Kastrup dak at gnu.org
Tue Apr 17 11:30:30 CEST 2007


Taco Hoekwater <taco at elvenkind.com> writes:

> Javier Múgica de Rivera wrote:
>> I recently needed to typeset a narrow column with some math, so very 
>> dificult to find break points resulting in acceptable looking lines. I 
>> found that the best solution would be achieved if I had, say, 
>> \mathsurround=0pt plus2pt, but \muthsurround is a dimen, not a skip. 
>> Is there any particular reason why it is not a glue? 
>
> I've been thinking about that. I can't come up with a valid reason
> other than that dimens are easier to handle internally than skips,
> but I may have overlooked something.
>
>> If there is not, it would be easy to implement, wouldn't it?
>
> Implementation would not be hard, afaict.

Skips require reference counting.  That's quite a bookkeeping
nuisance.

-- 
David Kastrup


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