-/// Get the sel_index-th element of the cut buffer in plain text format.
-docstring selection(size_t sel_index, DocumentClassConstPtr docclass);
+/**
+ * Get the sel_index-th element of the cut buffer in plain text format
+ * or, if \param for_math is true, in a format suitable for mathed.
+ */
+docstring selection(size_t sel_index, DocumentClassConstPtr docclass, bool for_math = false);