}
-void InsetMarginal::addToToc(DocIterator const & cpit)
+void InsetMarginal::addToToc(DocIterator const & cpit) const
{
DocIterator pit = cpit;
- pit.push_back(CursorSlice(*this));
+ pit.push_back(CursorSlice(const_cast<InsetMarginal &>(*this)));
Toc & toc = buffer().tocBackend().toc("marginalnote");
docstring str;