emacs-30 38de992a5a3: * etc/TODO: New item "support indentation guides".

[Stefan Kangas]

branch: emacs-30
commit 38de992a5a3ff13c6c727fd519b3f016f15264ea
Author: Stefan Kangas <stefankangas@gmail.com>
Commit: Stefan Kangas <stefankangas@gmail.com>

    * etc/TODO: New item "support indentation guides".
    
    Ref:
    https://lists.gnu.org/r/emacs-devel/2024-07/msg01062.html
---
 etc/TODO | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/etc/TODO b/etc/TODO
index 65861f1cae5..87ca19f37f2 100644
--- a/etc/TODO
+++ b/etc/TODO
@@ -481,6 +481,14 @@ For some discussion and implementation ideas (including 
possibly using
 LSP), see the thread starting at
 https://lists.gnu.org/archive/html/emacs-devel/2023-09/msg00609.html
 
+** Add indentation guide support to the display engine
+Support vertical lines that indicate the current level of indentation,
+which is useful when editing source code.  This feature should be
+implemented in the display engine.
+
+See the indent-bars package, which implements this in Emacs Lisp:
+https://github.com/jdtsmith/indent-bars
+
 ** FFI (foreign function interface)
 See e.g. https://lists.gnu.org/r/emacs-devel/2013-10/msg00246.html