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Re: Need multibyte advice - Shift-JIS




On Wed, 27 Feb 2019 11:33:47 -0500
"Randall S. Becker" <rsbecker@xxxxxxxxxxxxx> wrote:

> On February 27, 2019 11:29 Michal Suchánek wrote:
> > On Wed, 27 Feb 2019 11:19:33 -0500
> > "Randall S. Becker" <rsbecker@xxxxxxxxxxxxx> wrote:
> >   
> > > On February 27, 2019 11:11, Michal Suchánek wrote:  
> > > > On Wed, 27 Feb 2019 10:54:23 -0500
> > > > "Randall S. Becker" <rsbecker@xxxxxxxxxxxxx> wrote:
> > > >  
> > > > > On February 27, 2019 9:09, Michal Suchánek wrote:  
> > > > > > On Wed, 27 Feb 2019 08:04:08 -0500 "Randall S. Becker"
> > > > > > <rsbecker@xxxxxxxxxxxxx> wrote:
> > > > > >  
> > > > > > > Hi Git Team,
> > > > > > >
> > > > > > > I have to admit being perplexed by this one. I have been asked
> > > > > > > to support the Shift-JIS character set in file contents,
> > > > > > > comments, and logs, for a partner of mine. I know there are a
> > > > > > > few ways to do this, but I'm looking for the official non-hacky way  
> > to do this.  
> > > > > > > This is CLI only, and our pager, less, does not support
> > > > > > > multi-byte, so I'm looking  
> > > > > for  
> > > > > > options there also.
> > > > > >
> > > > > > SJIS is about as much multibyte as UTF-8.
> > > > > >
> > > > > > Why do you think less does not support it?
> > > > > >
> > > > > > Last time I looked there was SJIS locale for libc so it is only
> > > > > > matter of generating the correct locales and using them. Of
> > > > > > course, if you are  
> > > > > running  
> > > > > > in UTF-8 SJIS will look like garbage.  
> > > > >
> > > > > Sadly, I did not personally build less on this platform, and the
> > > > > libc used did not include UTF-16, on the platform vendor supplied
> > > > > less. cat works fine, but the usual LESSCHARSET=utf-16 is
> > > > > unsupported, so I am looking for an alternative. THAT is why I
> > > > > think less does not support it. Sorry, I should have made that more  
> > clear.  
> > > > >
> > > > > cat works fine, so if I set GIT_PAGER=cat, I can at least see the
> > > > > diffs cleanly in SJIS, but this partner wants a pager that is usable.
> > > > >  
> > > >
> > > > So you want to use SJIS because UTF-16 is not supported. So what is
> > > > the problem with SJIS (or UTF-8 for that matter)?  
> > >
> > > The partner I am working with is using multi-byte SJIS, which is also not  
> > supported by this incarnation of less. As a result, UTF-8 does not work either
> > in this situation. The content is definitely multi-byte. I know this was fixed in
> > RedHat's Less in 2016, but did not make this platform.  
> > >  
> > 
> > Both UTF-8 and SJIS is multibyte and both is supported by less in general. If
> > your particular less cannot support it then it is broken and you should fix it or
> > get it fixed.  
> 
> To be more specific, the implementation of less' UTF-8 on this platform will present the data as unusable junk as expected. SJIS is multi-byte, but is not one of the allowed encodings in less. I am not empowered to "get it fixed". Thanks for your advice.
> 

How is this 'allowed encodings in less' defined?

Michal