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[18.26.2.123]) by smtp.gmail.com with ESMTPSA id a17-v6sm8377885qkb.62.2018.07.30.10.57.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 30 Jul 2018 10:57:23 -0700 (PDT) In-Reply-To: Content-Language: en-GB X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c09::234 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:228009 Archived-At: On 2018-07-30 13:33, Stefan Monnier wrote: > I'm afraid that while I figured out the problem, I don't have any solution > to offer :-( The trick used on old macs was pretty good: instead of a solid triangle (which can mean "pyramid" or "arrow"), use increasingly narrow or increasingly wide layers: This means "sorted small to large": _ ___ _____ _______ This means "sorted large to small": _______ _____ ___ _ Alternatively, we can just write which comparison operator we used: ≤ or ≥. When the sorting indicator is ≤, each element in the list is ≤ to the next one, and conversely with ≥. Or we can use a horizontal symbol with increasing or decreasing bars: ▂▅▉ means increasing, ▉▅▂ means decreasing. Apologies for the ASCII art. Clément.