For me, I just realized iverse-video is kinda visual noise to see code and
I could move the error point flymake-goto-next-error, so
as my personal config, I would avoid the inverse-video's configuration.
But thanks João for taking your time

On Sun, Oct 22, 2017 at 3:29 PM, João Távora <joaotavora@gmail.com> wrote:

> Yuta Yamada <sleepboy.zzz@gmail.com> writes:
>
> > In terminal Emacs, I found not highlight state of flymake even there is
> a warning.
> > It can be visible if you set underline to the flymake's face.
>
> Since Flymake can now highlight arbitrary regions, some of those regions
> can be mere whitespace, which is the case with the
> elisp-flymake-checkdoc backend.
>
> The offending code is this (repeated in flymake-warning and flymake-note)
>
>    (defface flymake-error
>      '((((supports :underline (:style wave)))
>         :underline (:style wave :color "Red1"))
>        (t
>         :inherit error))
>      "Face used for marking error regions."
>      :version "24.4")
>
> Clearly your terminal doesn't support the first clause, and the second
> one is unsuitable for whitespace.
>
> The simplest thing I can think of that keeps some of the "genericness"
> of the last clause is adding ":inverse-video t" to it. If noone can
> think of anything better, I will push this patch in some days' time. I
> tried it and it looks reasonably OK.
>
> João
>
> diff --git a/lisp/progmodes/flymake.el b/lisp/progmodes/flymake.el
> index 9c546fd966..7738d608e9 100644
> --- a/lisp/progmodes/flymake.el
> +++ b/lisp/progmodes/flymake.el
> @@ -281,6 +281,7 @@ flymake-error
>    '((((supports :underline (:style wave)))
>       :underline (:style wave :color "Red1"))
>      (t
> +     :inverse-video t
>       :inherit error))
>    "Face used for marking error regions."
>    :version "24.4")
> @@ -289,6 +290,7 @@ flymake-warning
>    '((((supports :underline (:style wave)))
>       :underline (:style wave :color "deep sky blue"))
>      (t
> +     :inverse-video t
>       :inherit warning))
>    "Face used for marking warning regions."
>    :version "24.4")
> @@ -297,6 +299,7 @@ flymake-note
>    '((((supports :underline (:style wave)))
>       :underline (:style wave :color "yellow green"))
>      (t
> +     :inverse-video t
>       :inherit warning))
>    "Face used for marking note regions."
>    :version "26.1")
>
>
>
>