I want to use this query:
issueFunction in commented('by wwalker') and assignee != 'wwalker'
but I want to share it so it should use currentUser():
issueFunction in commented('by' currentUser()) and assignee != currentUser()
but that doesnt' work and I can't find anything about string functions or concatenation in the manual ( https://confluence.atlassian.com/display/JIRA/Advanced+Searching - is there a straightforward JQL reference??)
Sorry, it seems it's been requested but not implemented yet:
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