function TOCPart(part, parent) {
    if (!(this instanceof TOCPart)) return new TOCPart(part, parent);

    TOCArticle.apply(this, arguments);
}
/*
    A part of a ToC is a composed of a tree of articles and an optiona title
*/
A part of a ToC is a composed of a tree of articles and an optiona title
A part of a ToC is a composed of a tree of articles and an optiona title
function TOCPart(part, parent) {
    if (!(this instanceof TOCPart)) return new TOCPart(part, parent);
    TOCArticle.apply(this, arguments);
}
function TOCPart ( part , parent ) { if ( ! ( this instanceof TOCPart ) ) return new TOCPart ( part , parent ) ; TOCArticle . apply ( this , arguments ) ; }
A part of a ToC is a composed of a tree of articles and an optiona title
A part of a ToC is a composed of a tree of articles and an optiona title