+ /// Encapsulates the paragraph and position for later use
+ static RowEntry textEntry(int id, pos_type pos);
+ /// Encapsulates a cell and position for later use
+ static RowEntry mathEntry(uid_type id, idx_type cell);
+ /// Denotes the beginning of the document
+ static RowEntry beginDocument();
+
+ /// Converts a CursorSlice into a RowEntry
+ static RowEntry rowEntryFromCursorSlice(CursorSlice const & slice);
+
+ static const TextEntry text_none;
+ static const RowEntry row_none;
+ /// Returns true if RowEntry is devoid of information
+ static bool isNone(RowEntry entry);
+ /// Returns true if TextEntry is devoid of information
+ static bool isNone(TextEntry entry);
+