* doc/posix-functions/lseek.texi (lseek):
Document some systems that do not support SEEK_DATA and SEEK_HOLE.
---
ChangeLog | 6 ++++++
doc/posix-functions/lseek.texi | 3 +++
2 files changed, 9 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index cdc2b3d7a..cf0bbb396 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2019-06-23 Paul Eggert <egg...@cs.ucla.edu>
+
+ Document lseek SEEK_DATA/SEEK_HOLE
+ * doc/posix-functions/lseek.texi (lseek):
+ Document some systems that do not support SEEK_DATA and SEEK_HOLE.
+
2019-06-22 Akim Demaille <a...@lrde.epita.fr>
argmatch: put all the docs member last.
diff --git a/doc/posix-functions/lseek.texi b/doc/posix-functions/lseek.texi
index 813bdd9b6..b4d03f528 100644
--- a/doc/posix-functions/lseek.texi
+++ b/doc/posix-functions/lseek.texi
@@ -31,4 +31,7 @@ When the @code{lseek} function fails, POSIX says that the
file offset remains
unchanged. But on some platforms, attempting to set a negative file offset
fails and sets the file offset to 0:
BeOS.
+@item
+Some systems do not support @code{SEEK_DATA} and @code{SEEK_HOLE}:
+AIX, HP-UX, Microsoft Windows, NetBSD, OpenBSD.
@end itemize
--
2.21.0
