[XeTeX] unwanted rtl paragraph before arabic (rtl) longtable

[Zdenek Wagner]

2014-07-28 15:44 GMT+02:00 Jens Bakker <jbakker at uni-bonn.de>:
> Dear Vafa Khalighi,
>
> Thank you very much for your immediate answer. Your idea works fine, but if
> I want to use a \begin{center} environment it does not affect the centered
> lines, if \everypar{\beginL} is put before the environment, and it does not
> compile, if \everypar{\beginL} is put within the environment. Please see the
> attached minimal example.
>
Do you really need the center environment? It is not well designed. I
do not know why Leslie Lamport came with an idea that it should be
implemented as a list which has many side effects. I would use
undocumented centering environment. In fact, t is not an environment,
it is a plain TeX \centering macro used to center the contents of a
group. \begin and \end provide the group. The only problem is, that
\end{centering} will close the group but will not end the paragraph.
Therefore you should add the following macro definition:

\def\endcentering{\ifhmode \par \fi}

Now \begin{centering} ... \end{centering} will create centered content
without the side effects of the center environment and \everypar
should work.

> With best wishes and best regards,
> Jens Bakker
>
>
>
>
>
> Am 28.07.2014 um 15:11 schrieb Vafa Khalighi:
>
> It is one of the known bugs of package bidi-longtable that you are using. A
> workaround would be adding
>
> \everypar{\beginL}
>
> Before the paragraph that you want to typeset LTR.
>
>
> On Mon, Jul 28, 2014 at 10:57 PM, Jens Bakker <jbakker at uni-bonn.de> wrote:
>>
>> Dear Ladies and Gentlemen,
>>
>> I would like to ask you for advice with the following problem, please:
>>
>> Before an Arabic longtable the Latin (english) paragraph is forced into a
>> rtl paragraph, what is my mistake? Please see the attached minimal example.
>>
>> Kind regards,
>> Jens Bakker
>>
>>
>>
>>
>>
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-- 
Zdeněk Wagner
http://hroch486.icpf.cas.cz/wagner/
http://icebearsoft.euweb.cz