* New yang changelog experimental feature for automatic upgrade

* Added modules-state diff parameter to xmldb_get datastore function for startup scenarios.
* Allowed Yang extended Xpath functions (syntax only):
  * re-match, deref, derived-from, derived-from-or-self, enum-value, bit-is-set
* XSD regular expression handling of dash(`-`)
  *: Translate XDS `[xxx\-yyy]` to POSIX `[xxxyyy-]`.
* YANG Anydata treated same as Anyxml

test/test_upgrade_repair.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
-# Start clixon with module A rec 2019
 # Load startup with non-compatible and invalid module A with rev 0814-01-28
 # Go into fail-safe with invalid startup
+# Repair by copying startup into candidate, editing and commit it
 
 # Magic line must be first in script (see README.md)
 s="$_" ; . ./lib.sh || if [ "$s" = $0 ]; then exit 0; else return 0; fi