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-rw-r--r--doc/libgphoto2_port.34
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/libgphoto2_port.3 b/doc/libgphoto2_port.3
index 50971cf66..94a17efb4 100644
--- a/doc/libgphoto2_port.3
+++ b/doc/libgphoto2_port.3
@@ -43,6 +43,10 @@ The autogenerated API docs will be added here in the future\&.
IOLIBS
If set, defines the directory where libgphoto2_port looks for its I/O drivers (camlibs)\&.
+.TP
+USB_DEBUG
+If set, defines the numeric libusb debug level with which libusb will print messages\&.
+
.SH "SEE ALSO"
.PP