diff --git a/index.bs b/index.bs index 2e95da0..636cbc1 100644 --- a/index.bs +++ b/index.bs @@ -1570,26 +1570,24 @@ for each [=sensor types=]:

Extending the Permission API

-{{Sensor}} interface for concrete [=sensor=] must protect it's [=sensor reading|reading=] -by associated {{PermissionName}} or more complex {{PermissionDescriptor}}. -[=Low-level=] {{Sensor|sensor}} may use it's interface name as a {{PermissionName}}, for instance -"gyroscope" or "accelerometer". [=sensor fusion|Fusion sensors=] must -[=request permission to use|request permission to use=] sensors used as a source of fusion. +An implementation of the {{Sensor}} interface for each [=sensor type=] must protect its +[=sensor reading|reading=] by associated {{PermissionName}} or {{PermissionDescriptor}}. +A [=Low-level=] {{Sensor|sensor}} may use its interface name as a {{PermissionName}}, +for instance, "gyroscope" or "accelerometer". [=sensor fusion|Fusion sensors=] must +[=request permission to use|request permission to access=] each of the sensors that are +used as a source of fusion. Even though, it might be difficult to reconstruct [=low-level=] [=sensor readings=] from fused data, some of the original information might be inferred. For example, it is easy to deduce user's orientation in space if absolute or geomagnetic orientation sensors are used, -therefore, those sensors must [=request permission to use|request permission to use=] -"magnetometer" as it provides information about orientation of device in relation to Earth's +therefore, these sensors must [=request permission to use|request permission to use=] +magnetometer as it provides information about orientation of device in relation to Earth's magnetic field. In contrast, relative orientation sensor does not expose such information, thus, -does not need to [=request permission to use|request permission to use=] "magnetometer". +it does not need to [=request permission to use|request permission to use=] magnetometer. -In order to provide fine grained control over the sensor's data, -{{PermissionDescriptor|permission descriptors}} may be used. For example, descriptor can contain -settings for accuracy or [=sampling frequency=]. - -Here is an example of {{PermissionDescriptor}} for a possible extension of the Permission API for -accelerometer sensor. +{{PermissionDescriptor|Permission descriptors}} can also be used to set maximum allowed limits +for accuracy or [=sampling frequency=]. An example for a possible extension of the Permission API +for accelerometer sensor is given below. 
     dictionary AccelerometerPermissionDescriptor : PermissionDescriptor {
diff --git a/index.html b/index.html
index 6f9099d..9bf9bbf 100644
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@@ -1183,9 +1183,8 @@
       background-attachment: fixed;
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