+ virtual bool forceLTR() const { return layout_->isForceLtr(); }
+ ///
+ virtual bool usePlainLayout() const { return true; }
+ /// Is this inset's layout defined in the document's textclass?
+ /// May be wrong after textclass change or paste from another document
+ bool undefined() const;
+ /// the string that is passed to the TOC
+ void tocString(odocstream &) const;
+ ///
+ virtual docstring contextMenu(BufferView const & bv, int x, int y) const;