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!html_name cmd_sssn

Starts a chapter on the 4th outline level.

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!item [(!TYPEPOSITION)] (!COMMANDABBREV), (!MAINPART)

!item [(!SYNTAX)] (!T)!/sssn [(!TEXT)](!t)

!item [(!DESCRIPTION)]
(!ABBREV) (!KW [subsubsubnode]).

!item [(!SEEALSO)]
(!KW [subsubsubnode])

!end_xlist

!end_node
