OJS development discussion, enhancement requests, third-party patches and plug-ins.
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in our journal, when an author submits an article, we would like him/her to enter, at least, one keyword. We use 2 kind of keywords, the variables subject and subjectClass. We would like to include these 2 fields in the list of obligatory fields in the author's form. But knowing that, if the author gives a subject keyword, then the subjectClass can be empty and vice versa.
How can I do that? What kind of form class do we have to use? I've seen we need to add some check at
but I don't know exactly how to do it.
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