In a table of contents that has been generated with LaTeX's
\tableofcontents command, I would like to add a vertical space before a Chapter item in the table of contents. One way that I have in my notes is to use
at a desired location in the document so that this gets processed by
\tableofcontents to include an appropriate vertical space in the table of contents. I have two questions:
Is the above the correct way to get a vertical space in a table of contents?
Why is it necessary to use the