Re: region_highlight converts `fg=default` to `none`, which is not the same

[Marlon Richert <marlon.richert@gmail.com>]

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While we're on the topic of `region_highlight`, here's another problem I've
noticed with it: `standout` (3) is rendered as `reverse` (7), even though
my terminal is perfectly capable of rendering italic. When I use `\e[3m` in
`$PS1` or `$ZLS_COLORS`, it renders fine as italic. There's no reason to
convert it.

On Fri, 16 Oct 2020 at 18:51, Bart Schaefer <schaefer@brasslantern.com>
wrote:

> On Fri, Oct 16, 2020 at 6:29 AM Daniel Shahaf <d.s@daniel.shahaf.name>
> wrote:
> >
> > The inconsistent augmentation semantics have bugged me since I first ran
> > into them.  I'd love to see them rationalized.
>
> As I recall one of the problems with this is (as Roman mentioned)
> there is no way to selectively turn off many of the attributes.  That
> is, there's no way to tell the terminal "revert to the previous value
> of X", instead we have to keep track of that and explicitly assert
> "set X to Y".  In some cases even that's not enough, and the only
> right approach is to clear all attributes and then reassert all
> attributes.  This shortcoming is directly reflected in the selection
> of names/values in Functions/Misc/colors, where I also summarized the
> ECMA standard in comments.  (There's probably a newer standard at this
> point.)
>

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