diff --git a/idelib/schemata/mide_ide.xml b/idelib/schemata/mide_ide.xml
index a24df41..d975dcb 100644
--- a/idelib/schemata/mide_ide.xml
+++ b/idelib/schemata/mide_ide.xml
@@ -7,7 +7,7 @@
The maximum length of the IDs you'll find in this file (4 or less in Matroska).
The maximum length of the sizes you'll find in this file (8 or less in Matroska). This does not override the element size indicated at the beginning of an element. Elements that have an indicated size which is larger than what is allowed by EBMLMaxSizeLength shall be considered invalid.
A string that describes the type of document that follows this EBML header. 'mide' for Mide Instrumentation Data Exchange files.
- The version of DocType interpreter used to create the file.
+ The version of DocType interpreter used to create the file.
The minimum DocType version an interpreter has to support to read this file.
Used to void damaged data, to avoid unexpected behaviors when using damaged data. The content is discarded. Also used to reserve space in a sub-element for later use.
The CRC is computed on all the data of the Master element it's in. The CRC element should be the first in its parent master for easier reading. All level 1 elements should include a CRC-32. The CRC in use is the IEEE CRC32 Little Endian
@@ -110,6 +110,10 @@
Sensor manufacturer-supplied serial number, if any.
+ Human-friendly source (authority, network, or other source-of-truth) name for generic/virtual sensor types, particularly 'time' sensors.
+ Machine-readable, uniquely identifying hash identifying source equivalency for comparing relative sources, particularly 'time' sensors.
+ 0 if sensor values are Absolute (default), 1 if values are Relative (have an unknown offset), e.g. AC-coupled measurements or time values with an unknown Epoch.
+