Subject: bug#19752: 25.0.50; fonts in HTML

From: Lars Ingebrigtsen <[email-masked]>
Date: Sun, 29 Sep 2019 10:56:12 +0200

Richard Stallman <[email-masked]> writes:

> I received message in Rmail which had this:
>
>     <body bgcolor="#ebebeb" class="ready" margin="0" padding="0" style="background:#ebebeb; margin:0; padding:0;">
>
> and a lot of the text was unreadable on the tty.  This seems to happen
> with a lot of messages (even some that are not spam).
>
> Setting shr-inhibit-decoration to t made it possible to read the text.

Looking at this a bit more, I'm going to guess that the problem is that
on consoles, Emacs doesn't have enough colours to display this stuff
sensibly.

What does (display-color-cells) return for you?

If this is the case, we could fix this issue with something like the
patch below.

diff --git a/lisp/net/shr.el b/lisp/net/shr.el
index 0cd15dcfe0..d4c99219bc 100644
--- a/lisp/net/shr.el
+++ b/lisp/net/shr.el
@@ -72,9 +72,9 @@ shr-discard-aria-hidden
   :version "27.1"
   :type 'boolean)
 
-(defcustom shr-use-colors t
+(defcustom shr-use-colors (> (display-color-cells) 256)
   "If non-nil, respect color specifications in the HTML."
-  :version "26.1"
+  :version "27.1"
   :type 'boolean)
 
 (defcustom shr-table-horizontal-line nil

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no