ClosingAutoSave is an option for notebooks that specifies whether a notebook is automatically saved when it is closed.
CounterAssignments is an option for selections that sets the value of a specified counter.
DefaultNewInlineCellStyle is an option for cells that specifies the default style to use for new inline cells created in the notebook.
ExternalDataCharacterEncoding is a global option that specifies the character encoding used in reading and writing plain text data outside of Mathematica.
NotebookBrowseDirectory is a global option that determines the current working directory.
Saveable is an option for notebooks that specifies whether a notebook can be saved.
SpanLineThickness is an option for selections that specifies the thickness in printer's points of line-spanning characters such as \[Backslash][VerticalLine] and ...
SpanMaxSize is an option for selections that specifies the maximum size of spanning characters such as parentheses and brackets.
SpanMinSize is an option for selections that specifies the minimum size of spanning characters such as parentheses and brackets.
All the functionality in DiscreteMath`Combinatorica` is available in the newly created Combinatorica Package.