[elpa] externals/compat 15ca463a9e 20/27: Document that null-device and path-separator are not implemented

[ELPA Syncer]

branch: externals/compat
commit 15ca463a9e1f46998cd0073d19394bcb7b9a038c
Author: Philip Kaludercic <philipk@posteo.net>
Commit: Philip Kaludercic <philipk@posteo.net>

    Document that null-device and path-separator are not implemented
---
 MANUAL | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MANUAL b/MANUAL
index 37978a46d6..16b42cd83d 100644
--- a/MANUAL
+++ b/MANUAL
@@ -412,6 +412,7 @@ implemented in 28.1:
 - The function ~process-lines-ignore-status~.
 - The function ~require-theme~.
 - The function ~syntax-class-to-char~.
+- The function ~null-device~ and ~path-separator~.
 
 * Development
 Compat is developed on [[https://sr.ht/~pkal/compat][SourceHut]]. A restricted 
[[https://github.com/phikal/compat.el][GitHub mirror]] is also