canonicalize: Improve documentation.

* lib/canonicalize.h (canonicalize_filename_mode): Document the failure
return convention.

1 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 7016db36da..945941e45c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2020-06-26  Bruno Haible  <bruno@clisp.org>
 
+	canonicalize: Improve documentation.
+	* lib/canonicalize.h (canonicalize_filename_mode): Document the failure
+	return convention.
+
+2020-06-26  Bruno Haible  <bruno@clisp.org>
+
 	xgetcwd: Improve documentation.
 	* lib/xgetcwd.c (xgetcwd): Document the failure return convention.