+From bug 7412 another example with more captions (can currently not produced in LyX):
+\begin{longtable}{|l|l|}
+\caption{A long table}
+\endfirsthead
+\caption{A long table -- continued}
+\endhead
+\multicolumn{2}{r}{{Continued on next page}}
+\tabularnewline
+\endfoot
+\endlastfoot
+\hline
+\multicolumn{1}{|c|}{Something} & \multicolumn{1}{c|}{Description}\tabularnewline
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline Lots of lines& like this.\\
+\hline
+\end{longtable}
+