[NTG-context] RTL \definedescriptions

Mohammad Hossein Bateni bateni at gmail.com
Sun May 1 17:53:24 CEST 2016


Hans & Wolfgang,

I'm updating the RTL page <http://wiki.contextgarden.net/RTL>.  The version
used on the wiki, apparently the stable version from texlive 2015, does
certain things differently.  When using alternative=serried, the last line
of the paragraph has incorrect alignment.  This is not the case in the beta
version.

On the other hand, with bidi algorithm turned on, the wiki context places
the head on the right if I use alternative=top, only when the text is in
Persian.  In the beta, the situation is more stable but incorrect: it
places the head on the left-hand side no matter what.

—MHB

On Thu, Apr 28, 2016 at 9:22 PM, Mohammad Hossein Bateni <bateni at gmail.com>
wrote:

> Hello Hans and Wolfgang,
>
> I tried different options in \definedescription and compared LTR and RTL
> behavior.  There are certain inconsistencies/bugs in the RTL setting.
> Attached you can see a TeX file and the resulting PDF, trying different
> options.  The first two pages consider different parameters in the LTR
> setting and then the same come in the RTL environment.
>
> In the following I use alt instead of alternative.
>
> Here are the issues I noticed:
>
> 1) Why isn't the head text consistently mirrored in the RTL environment?
> It happens only in alt=serried.
>
> 2) Option hang=2 produces a strange result for RTL.  The hanging part
> appears on the opposite side of the head text, which somehow pushes the
> head text outside the text area.
>
> 3) Option alt=top for RTL still puts the head text on the left-hand side.
>
> 4) I expect the LTR and RTL versions of the same settings to mirror one
> another, but they do not.   Although LTR/alt=left and RTL/alt=right look
> pretty similar (and so do LTR/alt=right and RTL/alt=left), but these pairs
> do not mirror one another.  In particular, there is some space to the right
> of the head text in LTR/alt=right, while there is none to the left of
> LTR/alt=left.  The same thing shows in the margin alternatives where the
> distance between the head text and the body is different in RTL and LTR.
>
> —MHB
>
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