[m-rev.] for review: announce color on the website

[Peter Wang]

On Mon, 24 Jun 2024 12:42:11 +1000 "Zoltan Somogyi" <zoltan.somogyi at runbox.com> wrote:
> For review by anyone.
> 
> Zoltan.

> diff --git a/news/newsdb.inc b/news/newsdb.inc
> index 6e7e6de..4649df3 100644
> --- a/news/newsdb.inc
> +++ b/news/newsdb.inc
> @@ -25,6 +25,14 @@
>  
>  $newsdb = array(
>  
> +"24th June 2024" => array(
> +"Color Diagnostics",
> +"Mercury compilers in releases-of-the-day
> +now use color in diagnostic messages by default.
> +For details, see the new \"Diagnostic output\" chapter
> +in the current rotd snapshot version of the Mercury Users' Guide.
> +"),

Is it enabled by default? I've built the mercury workspace but color
diagnostics is not enabled without setting MERCURY_ENABLE_COLOR.

Will you implement the isatty check?

In particular, the vim quickfix mode doesn't know anything about ANSI
escape sequences. Anyone using quickfix would need to explicitly disable
color.

Peter