diff --git a/proto/protocol.xml b/proto/protocol.xml
index c01c800..6d74daf 100644
--- a/proto/protocol.xml
+++ b/proto/protocol.xml
@@ -612,6 +612,12 @@
It is a protocol violation to send this request for a client
of an ei_handshake.context_type other than sender.
+
+ It is up to the EIS implementation to reset the device state when a
+ stop_emulating event is received. The recommendation is that the device
+ is set to a neutral state such that all touches, buttons, keys are logically up.
+ A client should send the corresponding events before stop_emulating
+ to avoid any ambiguity on event interpretation.
@@ -1214,6 +1220,10 @@
It is a protocol violation to send this request for a client
of an ei_handshake.context_type other than sender.
+
+ A client should send a ei_button.button release event before
+ ei_device.stop_emulating to avoid any ambiguity on interpretation
+ of button events.
@@ -1290,6 +1300,10 @@
It is a protocol violation to send this request for a client
of an ei_handshake.context_type other than sender.
+
+ A client should send a ei_key.key release event before
+ ei_device.stop_emulating to avoid any ambiguity on interpretation
+ of key events.
@@ -1442,6 +1456,10 @@
It is a protocol violation to send a touch down in the same
frame as a touch motion or touch up.
+
+ A client should send a ei_touch.up or ei_touch.cancel event before
+ ei_device.stop_emulating to avoid any ambiguity on interpretation of touch
+ events.