Re: Typing Persian (Farsi) in Vim

On Wednesday, November 28, 2018 at 11:04:29 PM UTC+1, Tony Mechelynck wrote:
> On Wed, Nov 28, 2018 at 10:23 PM Bahman Eslami <eslami.bahman@gmail.com> wrote:
> > In a case a user doesn't want to have arabic nor faris in the vim, they can build the vim with the 'normal' feature flag but they would miss other features like langmap, but if they want to build it with langmap feature, they need the 'huge' feature flag which also includes the arabic. There is also no flag to disable nor enable arabic while building the vim. So the only way to disable them is to change the source which is how I do it. Now I give you an example what goes wrong with the arabic enabled.
>
> > I use the native terminal app in OSX which supports bidi text perfectly even when it comes to selecting text.
>
> What is the $TERM setting when you run Console Vim (not gvim) in that
> terminal? Depending on its value, there are variant ways to tell Vim
> that the terminal has full-bidi capabilities:
>
> * Possibility 1: $TERM is 'mlterm'
> o Do nothing. Vim knows that mlterm is a full-bidi terminal.
> * Possibility 2: $TERM is another unambiguously recognisable name,
> let's say (for the sake of argument) 'system-bidi'.
> o Add near the top of yout vimrc the following snippet:
> if &term == 'system-bidi' && has('arabic')
> set termbidi
> endif
> * Possibility 3: $TERM is not unambiguously recognizable, let's say it
> is 'xterm' which too many fake-xterm terminals use nowadays:
> o Start Vim (when running in that terminal) as:
> vim --cmd 'silent! set termbidi'
> If your shell supports aliases, you can define the following
> alias (as I would do it for bash, which is an alias-supporting shell)
> alias vim='/usr/local/bin/vim --cmd "silent! set termbidi"'
> Replace /usr/local/bin/vim by the path to your Vim executable
> if it is something else, of course.

Tony,

Thanks for the explanation. When I echo the $TERM in vim I get: xterm-256color. So I used your solution to add 'set termbidi' with the vim build that includes the arabic feature but I still get incorrect Arabic shaping. I also get very abnormal behavior. If I type the following text or even paste it:

نوتشن فارسی

I get the following result in vim, which even in length does not match the input:

?~F?~Hشت?~F ?~Aارس?~L

I guess it didn't do much for my case.

Thanks,
Bahman

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