From 23d2c55ed8fe9324755640d87b0c3a7cb9ba5ac6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Thu, 23 Jun 2022 03:56:52 +0200
Subject: Document filename-extension and realpath.

---
 doc/ref/guile/util-path.texi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/doc/ref/guile/util-path.texi b/doc/ref/guile/util-path.texi
index 1abef3a6..322c50ec 100644
--- a/doc/ref/guile/util-path.texi
+++ b/doc/ref/guile/util-path.texi
@@ -30,3 +30,13 @@ kept. Meaning that
 Splits path into a list of components.
 The first component will be @code{""} if path is absolute.
 @end defun
+
+
+@defun filename-extension filename
+Returns the extension of the filename, or the empty string if none exists.
+@end defun
+
+@defun realpath path
+Equivalent of realpath(3). Absolute file names are returned as is,
+while relative filenames gets expanded to absolute filenames.
+@end defun
-- 
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