[OS X TeX] \intertext
Ross Moore
ross at ics.mq.edu.au
Sat May 1 18:06:10 EDT 2010
Hi George,
On 02/05/2010, at 12:05 AM, George Gratzer wrote:
>> LaTeX sets these dimensions, defined by TeX itself:
>>
>> \abovedisplayskip=12pt plus 3pt minus 9pt
>> \belowdisplayskip=12pt plus 3pt minus 9pt
>
> which is used when?
This is all in The TeXbook.
The above are usually used before and after the
displayed math environments, to give vertical
separation from surrounding paragraphs ...
>
> GG
... except when the line above/below is 'short'
(e.g. just a few words) in which case the 'shortskip'
versions below are used instead.
>> \abovedisplayshortskip=0pt plus 3pt
>> \belowdisplayshortskip=7pt plus 3pt minus 4pt
Note that \abovedisplayshortskip is roughly
a \baselineskip amount shorter than \abovedisplayskip .
Thus the overall effect should be a fairly consistent
separation between the equations and surrounding text,
at least in the middle and right-hand side of the page.
But the plus/minus values allow for a significant amount
of flexibility when establishing page-breaks. Then it is
TeX's internal algorithms that accommodate this flexibility
and keep the spacing consistent across different displays.
>>
>> You can adjust them locally.
>>
>>>
>>> GG
>>
>>
>> Hope this helps,
>>
>> Ross
Cheers,
Ross
------------------------------------------------------------------------
Ross Moore ross at maths.mq.edu.au
Mathematics Department office: E7A-419
Macquarie University tel: +61 (0)2 9850 8955
Sydney, Australia 2109 fax: +61 (0)2 9850 8114
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