api-path.abnf

api-path = root *("/" (api-identifier / list-instance))

root = string  ;; replacement string for {+restconf}

api-identifier = [module-name ":"] identifier

module-name = identifier

list-instance = api-identifier "=" key-value *("," key-value)

key-value = string  ;; constrained chars are percent-encoded

string = <an unquoted string>

identifier  = (ALPHA / "_")
              *(ALPHA / DIGIT / "_" / "-" / ".")