From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Fri, 22 Apr 2022 12:58:59 +0000 (+0200)
Subject: Make `C-u C-x =' be more verbose about invisible characters
X-Git-Tag: emacs-29.0.90~1931^2~360
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=93f87a3190f9efebe0e2db0cd5cfe5aeac6b64c3;p=emacs.git

Make `C-u C-x =' be more verbose about invisible characters

* lisp/descr-text.el (describe-text-properties-1): Note confusing
bits about invisible characters (bug#3400).
---

diff --git a/lisp/descr-text.el b/lisp/descr-text.el
index a8160889325..0f01ad676ae 100644
--- a/lisp/descr-text.el
+++ b/lisp/descr-text.el
@@ -176,6 +176,10 @@ otherwise."
 	(insert "\n"))
       ;; Text properties
       (when properties
+        (when (plist-get properties 'invisible)
+          (insert "\nNote that character has an invisibility property,\n"
+                  "  so the character displayed at point in the buffer may\n"
+                  "  differ from the character described here.\n"))
 	(newline)
 	(insert "There are text properties here:\n")
 	(describe-property-list properties)))))