Message
Volume "." should be consistent with volume in Issue XML "$issuevalue"
Rule XPath:
This rule ASSERTS the following, raising an alert if FALSE:
let $IssueFile := local:issue-xml(., $IssueFileXml, $IssueFileUri) returnlet $issuevalue := $IssueFile/issue-xml/issue-meta/volume return. = $issuevalue or not(exists($IssueFile))