#690 - stop uses expanding if import circular dependency exists
     #685 - report errors in sample-xml-skeleton
     #683 - fix sample-xml-skeleton unknown namespace crash
     #681 - newline fix in tree plugin
     #678 - deviate replace regression
     #673 - fix unreasonable the case node status
     #669 - type validator crashes on valid range restriction
     #665 - output status value in flatten plugin
     #661 - sort output for flatten plugin
     #660 - add module:prefix:node output for flatten plugin

     #646 - config false deviation fix
     #587 - revert fix for #587; use xml schema regexp engine again

     add structure support (RFC8791)
     pr:639 - output all missing hello modules then exit
     pr:632 - add option --flatten-qualified-in-xpath --flatten-prefix-in-xpath to flatten plugin
     pr:623 - add option to output keys in flatten plugin
     pr:585 - validation improvements
     pr:579 - add documentation of the 'edit' transform
     #638 - fix jstree crash with choice node and adjust action node style to the same with rpc
     #628 - fix unexpected keyword used within the augment statement
     #626 - fix the incorrent counts of '..' in path
     #621 - correct check_update for implicit default check
     #620 - the single and double quotes are inconsistent due to the spaces
     #615 - deviate add should be able to add default statement to leaf-list node
     #606 - fix 'current' node wrongly referenced to a 'deprecated' definition
     #603 - fix action statements wrongly defined within an action/rpc/notification node
     #602 - fix mandatory nodes directly under the default case
     #601 - fix wrongly reject substring function with 2 arguments
     #599 - fix crash when input defined in anydata node
     #597 - fix the target node of augment statment being action node
     #596 - fix default value in leaf-list node marked with an if-feature statement
     #594 - validate the value of position in 'bit' statements
     #592 - check illegal range and length restrictions correctly
     #587 - fix regular expression '\w' cannot recognize underline('_')
     #564 - validate the value of min-elements and max-elements
     #583 - the default value in leaf node should not be marked with an if-feature statements
     #581 - move code out of package init
     #219 - deviation replace/add config should check the target node's config