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+# SANE Standard Changes
+
+Below you find the changes between one version of the SANE Standard to
+the next in reversed chronological order, i.e most recent first.
+
+## SANE Standard 1.06
+
+- released as part of `sane-backends`, versions `1.0.27` thru `1.0.29`
+- updates the mailing list address
+
+**Note**: `sane-backends-1.0.26` was skipped to address a versioning
+issue with its development versions.
+
+## SANE Standard 1.05
+
+- released as part of `sane-backends`, versions `1.0.19` thru `1.0.25`
+- fixes `SANE_Parameters` member ordering to reflect existing header
+  file definition
+- fixes the network protocol description to use the `SANE_STATUS_GOOD`
+  status instead of a non-existent `SANE_STATUS_SUCCESS`
+
+## SANE Standard 1.04
+
+- released as part of `sane-backends-1.0.18`
+- fixes bytes per pixel equation in `sane_get_parameters()` section
+
+## SANE Standard 1.03
+
+- released as part of `sane-backends`, versions `1.0.9` thru `1.0.17`
+- clarifies pixel value packing order for bit depth 1
+- notes that bit depth 1 for frame types other than `SANE_FRAME_GRAY`
+  may not be supported by frontends
+- adds a large number of vendor strings and several device types
+- clarifies that backend behavior is undefined unless `sane_init()`
+  returns `SANE_STATUS_GOOD`
+- adds `SANE_STATUS_INVAL` as possible return value for `sane_start()`
+- clarifies that `sane_set_io_mode()` may be called after a call to
+  `sane_start()`
+- defines RPC code values for the network protocol explicitly
+- updates the project's email address and website URL
+
+## SANE Standard 1.02
+
+- released as part of `sane-backends`, versions `1.0.4` thru `1.0.8`
+- clarifies that the interpretation of sample values of bit depth 1
+  for `SANE_FRAME_GRAY` is the inverse of that for other bit depths
+- changes maximum length of username and password from 256 to 128
+- adds an extension to the network protocol enabling the use of MD5
+  digests when transmitting authentication credentials to the server
+- clarifies the way network protocol requests handle authentication
+  failures
+
+**Note**: The package name was changed from `sane` to `sane-backends`
+with version `1.0.4` when several frontends were split off and moved
+to a new `sane-frontends` package.
+
+## SANE Standard 1.01
+
+- released as part of `sane-1.0.1` thru `sane-1.0.3`
+- corrects the API version from `0 (draft)` to `1` in the revision
+  released with `sane-1.0.3`