For IJM journal, to display footnote content in the article JSON, this function footnotes_json() will select particular <fn> tag content in the <back>, and ignore content inside <fn-group> tags which have an @content-type attribute, and ignore <fn-group> tags inside a <table-wrap-foot> tag.
Re issue https://github.com/microsimulation/ijm/issues/136
For IJM journal, to display footnote content in the article JSON, this function
footnotes_json()will select particular<fn>tag content in the<back>, and ignore content inside<fn-group>tags which have an@content-typeattribute, and ignore<fn-group>tags inside a<table-wrap-foot>tag.