+/*!
+ * \var lyx::FuncCode lyx::LFUN_SPACE_INSERT
+ * \li Action: Inserts one of horizontal space insets.
+ * \li Syntax: space-insert <NAME> [<LEN>]
+ * \li Params: <NAME>: normal, protected, thin, quad, qquad, enspace, enskip,
+ negthinspace, hfill, hfill*, dotfill, hrulefill, hspace,
+ hspace* \n
+ <LEN>: length for custom spaces (hspace, hspace* for protected)
+ * \li Origin: JSpitzm, 20 May 2003, Mar 17 2008
+ * \endvar
+ */