+the optional width is a number in the range 0 - 1 and specifies the fraction
+ of the line length; if no width is given all available width is used for
+ the column
+\end_layout
+
+\end_inset
+
+
+\begin_inset Argument 2
+status open
+
+\begin_layout Plain Layout
+header 1
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Itemize
+Everything can be the content
+\end_layout
+
+\begin_layout Plain Layout
+\noindent
+\begin_inset Tabular
+<lyxtabular version="3" rows="1" columns="1">
+<features rotate="0" tabularvalignment="middle">
+<column alignment="center" valignment="top">
+<row>
+<cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+even a table
+\end_layout
+
+\end_inset
+</cell>
+</row>
+</lyxtabular>
+
+\end_inset
+
+
+\begin_inset Note Note
+status open
+
+\begin_layout Plain Layout
+
+\series bold
+Note:
+\series default
+ paragraph alignments are not allowed, so e.
+\begin_inset space \thinspace{}
+\end_inset
+
+g.
+\begin_inset space \space{}
+\end_inset
+
+centering the table is not possible
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+\begin_inset Flex Column
+status open
+
+\begin_layout Plain Layout
+\begin_inset Argument 2
+status open
+
+\begin_layout Plain Layout
+header 2