Eli Zaretskii wrote
> What is the real-life use case that requires this? What kind of textare
> we talking about?
The two use cases are:
1) Manipulating serialized file formats such as:
* A yaml <https://en.wikipedia.org/wiki/YAML> file can have a list of
strings each of which may be left-to-right or right-to-left. such as:
full_names: - Carolyn Simon - Elijah Moreno - An Arabic Full Name
Which Should Be Displayed right-to-leftdate : 2001-01-23
* A SubRip <https://en.wikipedia.org/wiki/SubRip#SubRip_text_file_format>
subtitle file such as:
100:20:41,150 --> 00:20:45,109- English speaker: what is your name?- < An
Arabic name which should be displayed right-to-left >200:21:41,150 -->
00:22:45,109- Nice to meet you
2) When writing a LaTeX text, you can split a paragraph into many lines. For
example, if you want to write A Latin paragraph with an Arabic sentence in
it
<http://tex.stackexchange.com/questions/89428/inserting-some-arabic-script-in-an-english-article>
, it is very common to write the Arabic sentence in a separated line:
This is an Latin paragraph with some \begin{Arabic}بسم الله الرحمن
الرحیم\end{Arabic}that is added.
This will be rendered in a simple paragraph by LaTeX, and most editors like
gedit, TexStudio, TexMaker,... display it correctly (all lines LTR direction
but Arabic line in RTL direction). But emacs does not display the Arabic
sentence in correct direction.
Note that in many use cases it is either semantically wrong to add a blank
line or the file is created in other editors without this issue.
I think these two sample use cases, at least, are very common and I know
many RTL-users who have this issue with emacs and switch to other editors
like gedit when they want to work with RTL files. This behavior is only in
emacs and most editors consider different base directions for each line.
As I have previously mentioned, this behavior is a nice feature for emacs
when editing regular text files, But I think it is necessary to be able to
turn it off when manipulating a file format in which this feature is more
like a bug, and inconsistency with most other standard editors.
Thanks,Mohammad Hossein Sekhavat
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