Add a note to the README regarding numbers in RTIMULib.ini

Things break when switching to a locale where the decimal mark is
the comma instead of the dot. Document this.

Change-Id: Ic86483b9cc72ff90ac4a033a2a54e44dbd6bc3e8
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/README.md b/README.md
index f03260c..8801636 100644
--- a/README.md
+++ b/README.md
@@ -62,3 +62,8 @@ Sensors example:
         QTimer::singleShot(10000, &app, &QCoreApplication::quit);
         return app.exec();
     }
+
+Raspbian's default calibration from /etc is picked up automatically, similarly to the
+Python lib. Note however that this is a text file and numbers may not be parsable with
+locale settings that use a decimal separator other than the dot. If the orientation is
+reported as all-NaNs, check this first.