lib/modifiers/summary/mergeAtLevel.js
function editArticleInPart(part, level, newArticle) {
    var articles = part.getArticles();
    articles = editArticleInList(articles, level, newArticle);

    return part.set('articles', articles);
}
function editArticleInPart(part, level, newArticle) {
    var articles = part.getArticles();
    articles = editArticleInList(articles, level, newArticle);

    return part.set('articles', articles);
}
function editArticleInPart ( part , level , newArticle ) { var articles = part . getArticles ( ) ; articles = editArticleInList ( articles , level , newArticle ) ; return part . set ( 'articles' , articles ) ; }
Edit an article in a part

@param {Part} part
@param {String} level
@param {Article} newArticle
@return {Part}
Edit an article in a part