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-rw-r--r--man/feh.pre14
1 files changed, 13 insertions, 1 deletions
diff --git a/man/feh.pre b/man/feh.pre
index e047286..5199151 100644
--- a/man/feh.pre
+++ b/man/feh.pre
@@ -1106,6 +1106,16 @@ away. See
.Xr jpegtran 1
for more about lossless JPEG rotation.
.
+.Em Note:
+jpegtran does not update EXIF orientation tags. However,
+.Nm
+assumes that you use the feature to normalize image orientation and want it to
+be displayed this way everywhere. After every rotation, it will unconditionally
+set the EXIF orientation to 1
+.Pq Qq 0,0 is top left .
+Should you need to reverse this, see
+.Xr jpegexiforient 1 .
+.
.It _ Bq flip
.
In place editing - vertical flip
@@ -1487,7 +1497,9 @@ but without the flickering.
.Nm
requires the
.Cm jpegtran
-binary
+and
+.Cm jpegexiforient
+binaries
.Pq usually distributed in Qo libjpeg-progs Qc or similar
for lossless rotation.
.