2 files changed, 6 insertions, 0 deletions
diff --git a/Misc/ACKS b/Misc/ACKS
index 3ee0d9f..b991960 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -123,6 +123,7 @@ Donn Cave
 Charles Cazabon
 Per Cederqvist
 Octavian Cerna
+Pascal Chambon
 Hye-Shik Chang
 Jeffrey Chang
 Mitch Chapman
diff --git a/Misc/NEWS b/Misc/NEWS
index 0abe5c2..02cdfbe 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -239,6 +239,11 @@ C-API
 Library
 -------
 
+- Issue #6939: Fix file I/O objects in the `io` module to keep the original
+  file position when calling `truncate()`.  It would previously change the
+  file position to the given argument, which goes against the tradition of
+  ftruncate() and other truncation APIs.  Patch by Pascal Chambon.
+
 - Issue #7610: Reworked implementation of the internal
   :class:`zipfile.ZipExtFile` class used to represent files stored inside
   an archive.  The new implementation is significantly faster and can