commit 2e2f7de6d575a98e039b84e38e4113e5935ecbe4
Author: Yotam Medini <yotam.medini@gmail.com>
Date:   Fri Jul 12 14:22:02 2024 +0300

    define hspace & vspace with (0 . 0) instead of empty-interval

diff --git a/scm/define-markup-commands.scm b/scm/define-markup-commands.scm
index ab09763c3e..8b591cb244 100644
--- a/scm/define-markup-commands.scm
+++ b/scm/define-markup-commands.scm
@@ -1279,7 +1279,7 @@ Create an invisible object taking up @var{amount} horizontal space.
 @end lilypond
 
 See also @code{\\abs-hspace}."
-  (ly:make-stencil "" (cons 0 amount) empty-interval))
+  (ly:make-stencil "" (cons 0 amount) '(0 . 0)))
 
 (define-markup-command (abs-hspace layout props amount)
   (number?)
@@ -1301,7 +1301,7 @@ points.
 @end lilypond
 
 See also @code{\\hspace}."
-  (ly:make-stencil "" (cons 0 (to-staff-space amount)) empty-interval))
+  (ly:make-stencil "" (cons 0 (to-staff-space amount)) '(0 . 0)))
 
 (define-markup-command (vspace layout props amount)
   (number?)
@@ -1326,7 +1326,7 @@ of @var{amount} multiplied by 3.
 
 See also @code{\\abs-vspace}."
   (let ((amount (* amount 3.0)))
-    (ly:make-stencil "" empty-interval (cons 0 amount))))
+    (ly:make-stencil "" '(0 . 0) (cons 0 amount))))
 
 (define-markup-command (abs-vspace layout props amount)
   (number?)
@@ -1350,7 +1350,7 @@ points.
 @end lilypond
 
 See also @code{\\vspace}."
-  (ly:make-stencil "" empty-interval (cons 0 (to-staff-space amount))))
+  (ly:make-stencil "" '(0 . 0) (cons 0 (to-staff-space amount))))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;