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Re: Need multibyte advice - Shift-JIS

On Wed, 27 Feb 2019 13:50:18 -0500
"Randall S. Becker" <rsbecker@xxxxxxxxxxxxx> wrote:

> On February 27, 2019 13:18, Michal Suchánek wrote:
> > On Wed, 27 Feb 2019 12:59:15 -0500
> > "Randall S. Becker" <rsbecker@xxxxxxxxxxxxx> wrote:
> >   
> > > On February 27, 2019 12:51, Michal Suchánek wrote:  
> > > > To: Randall S. Becker <rsbecker@xxxxxxxxxxxxx>
> > > > Cc: git@xxxxxxxxxxxxxxx
> > > > Subject: Re: Need multibyte advice - Shift-JIS
> > > >  
> >   
> > > I'm sorry if I was not clear about all this. NonStop is not a Linux platform. It  
> > is POSIX. Not all utilities are available and not all utilities have all capabilities.
> > lv is not available for the platform. less considers the data binary and displays
> > what usually is displayed when you try to use it for binary multibyte. You get
> > @^@- and such. It does not present the data in the correct character set for
> > the user.  
> > >
> > > This was only one part of my original question. I am searching elsewhere  
> > for support on pagers, because this really is not an appropriate discussion for
> > the git group to focus on, do let's drop this, please, as not worth continuing.
> > My original request was more about how to set up the file attributes,
> > difference engine, and the rest of the git infrastructure. The partner I am
> > working with is doing this with git hooks, which I am not really happy about.
> > Let's prune this discussion as not worthy.  
> > >  
> > 
> > Yes, this is totally unclear. Setting git hooks is possible but setting
> > LESSCHARDEF is not?  
> It can enter the environment simply through .profile, where we can change GIT_PAGER. We have established that separately.
> > Is patching git acceptable or is that out of question too?  
> I have done a bunch of git patching, where specifically.
> > What are your requirements, exactly?  
> Source code and comments contain SJIS content. The requirement is to be able to move seamlessly in and out of git, and have git show/diff/log display SJIS as well as ASCII content. How that happens is open. The UTF-16 is a red-herring, only as an attempt at getting at SJIS content differently than the limitation imposed by less.

 - less is a very limited pager when it comes to international support.
   Patches to support Japanese specifically were at a time merged in
   RedHat but then reverted because they broke other languages. If
   'cat' pager is good enough except for the paging 'less -r' provides
   same plus the paging. You can fine-tune what is supposed to be
   displayed verbatim and what is supposed to be treated specially with
   LESSCHARDEF but it might not work well for SJIS. You can also set
   the LESS variable to include -r by default.

 - if patching git is not out of question I don't see how adding a a
   full-featured pager such as lv is. 

 - I don't think git itself needs any adjustments to handle SJIS if it
   can handle UTF-8 already. UTF-16 would be a different story.