2 {\iden foobar\/}\xspa{1}{\iden a\/}\xspa{1}{\iden b\/}\xspa{1}$=$\xspa{1}{\iden c\/}\\
3 \skipover{{\iden foobar\/}\xspa{1}{\iden a\/}\xspa{1}{\iden b\/}\xspa{1}}{\keyword where\/}\\
4 \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\/}\\
5 \skipover{{\iden foobar\/}\xspa{1}{\iden a\/}\xspa{1}{\iden b\/}\xspa{1}{\keyword wher\/}}