--- /dev/null
+\begin{tabbing}
+{\iden foobar\/}\xspa{1}{\iden a\/}\xspa{1}{\iden b\/}\xspa{1}$=$\xspa{1}{\iden c\/}\\
+\skipover{{\iden foobar\/}\xspa{1}{\iden a\/}\xspa{1}{\iden b\/}\xspa{1}}{\keyword where\/}\\
+\skipover{{\iden foobar\/}\xspa{1}{\iden a\/}\xspa{1}{\iden b\/}\xspa{1}{\keyword wher\/}}{\iden c\/}\xspa{1}$=$\xspa{1}{\iden a\/}\xspa{1}$+$\xspa{1}{\iden b\/}\\
+\skipover{{\iden foobar\/}\xspa{1}{\iden a\/}\xspa{1}{\iden b\/}\xspa{1}{\keyword wher\/}}
+\end{tabbing}