[RFC 4/4] Document --decode-fds=eventfd implementation

[Sahil Siddiq]

Document changes in the man page and in NEWS.

* NEWS: Mention this change.
* doc/strace.1.in: Add desciption in man page.

Signed-off-by: Sahil Siddiq <icegambit91 at gmail.com>
---
 NEWS            | 2 ++
 doc/strace.1.in | 5 ++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 2f0d7f3da..d61ccc3ac 100644
--- a/NEWS
+++ b/NEWS
@@ -5,6 +5,8 @@ Noteworthy changes in release ?.? (????-??-??)
   * The --user|-u option has learned to recognize numeric UID:GID pair, allowing
     e.g. statically-built strace to be used without invoking nss plugins.
   * Updated lists of ioctl commands from Linux 6.9.
+  * Implemented --decode-fds=eventfd option to retrieve eventfd counter associated
+    with eventfd file descriptors.
 
 Noteworthy changes in release 6.8 (2024-03-20)
 ==============================================
diff --git a/doc/strace.1.in b/doc/strace.1.in
index 162b46447..308b084da 100644
--- a/doc/strace.1.in
+++ b/doc/strace.1.in
@@ -959,11 +959,14 @@ Also enables printing of tracee's current working directory when
 constant is used.
 .TQ
 .B socket
-Print socket protocol-specific information,
+Print socket protocol-specific information.
 .TQ
 .B dev
 Print character/block device numbers.
 .TQ
+.B eventfd
+Print eventfd counter associated with eventfd file descriptors.
+.TQ
 .B pidfd
 Print PIDs associated with pidfd file descriptors.
 .TQ
-- 
2.44.0