Re: Question about the use of "g:term_ansi_colors"

2018年4月30日月曜日 21時55分39秒 UTC+8 Christian Brabandt:
> On Mo, 30 Apr 2018, Bram Moolenaar wrote:
>
> >
> > Masaaki Nakamura wrote
> >
> > > Thanks to the patch 8.0.1685, the output in terminal buffers got easy
> > > to see in any colorscheme. I'm really happy with it.
> > >
> > > Now, I would like to set "g:term_ansi_colors" in my colorscheme file,
> > > but then I'm wondering it could be harmful for other colorschemes. For
> > > example, first I set my colorscheme A and then change to another
> > > colorscheme B, the "g:term_ansi_colors" set by A may not match with B.
> > >
> > > At first, I can use "ColorScheme" autocmd event to restore the default
> > > colors. However, it is triggered after the colorscheme B sorced. If B
> > > also wants to set its "g:term_ansi_colors", it might be overwritten
> > > unintentionally.
> > >
> > > Anyone has ideas to restore the default colors? Or it is not expected
> > > to be set in a colorscheme file?
> >
> > I don't think there is an easy way. I can add the ColorSchemePre
> > autocommand event.
>
> Shouldn't syncolor and nosyntax reset g:term_ansi_colors?
>
> diff --git a/runtime/syntax/nosyntax.vim b/runtime/syntax/nosyntax.vim
> index 0ab341237..ace75b5fb 100644
> --- a/runtime/syntax/nosyntax.vim
> +++ b/runtime/syntax/nosyntax.vim
> @@ -28,3 +28,4 @@ endif
> if exists("syntax_manual")
> unlet syntax_manual
> endif
> +unlet! g:term_ansi_colors
> diff --git a/runtime/syntax/syncolor.vim b/runtime/syntax/syncolor.vim
> index 8d0064db1..ed0ede4c1 100644
> --- a/runtime/syntax/syncolor.vim
> +++ b/runtime/syntax/syncolor.vim
> @@ -83,3 +83,4 @@ SynLink Debug Special
>
> delcommand SynColor
> delcommand SynLink
> +unlet! g:term_ansi_colors
>
>
> Best,
> Christian
> --
> Herz, mein Herz, sei nicht beklommen und ertrage dein Geschick! Neuer
> Frühling gibt zurück, was der Winter dir genommen.
> -- Heinrich Heine

Although "ColorSchemePre" event looks useful, I think reasonable to reset it by syntax/nosyntax.vim, just like highlight groups. I like the idea.

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