[texhax] \hline in align environment

[Philip TAYLOR (Ret'd)]

Nina Mazumdar wrote:

> How about this?
> 
> \begin {align*}
>        4x+  6y -2z &= -4\\
>         x -y +2z   &=  9\\[-1.4 ex]
>        \cline{1-2}
>         5x + 5y    &= 5\\
>          x + y &= 1
>  \end {align*}

I see no line where the \cline contruct occurs;
do you see one, Nina ?

** Phil.