Graphics, Figures & Tables ⇒ Supertabular, multirow, and 2 columns not playing well

[latex_user]

Greetings, all. I am trying to create a table with a line break in the initial heading cells. This is complicated by a requirement to use a 2 column page format, and the necessity of therefore using supertabular.

In the example below, what I would like is output like:
Bar
Baz Mumble

for the second heading with data below. Instead I am getting "Bar Baz Mumble" all on one line. I have tried a few things without success, including

Code: Select all

\documentclass[9pt,twocolumn]{article}
\usepackage{supertabular}
\usepackage{multirow}

\begin{document}

\tablefirsthead{%
    \hline  \\
    \multicolumn{1}{c}{\textbf{Foo } \linebreak } &
    \multicolumn{1}{c}{\multirow{2}{*}{\textbf{``Bar \linebreak Baz Mumble''}}} & 
    \\ \hline }
%This is the header for the remaining page(s) of the table...
\tablehead{%
    \hline 
    \multicolumn{3}{c}{{\tablename} \thetable{} -- Continued} \\
    \hline  \\
    \multicolumn{1}{c}{\textbf{Foo } \linebreak } &
    \multicolumn{1}{c}{\multirow{2}{*}{\textbf{``Bar \linebreak Baz Mumble''}}} &
      \\ \hline}
%This is the footer for all pages except the last page of the table...
\tabletail{%
\hline 
  \multicolumn{3}{l}{{Continued \ldots}} \\
}
\tablelasttail{\hline}
\begin{supertabular}{p{2.2cm} c }\hline
A & B \\
C & D \\
\hline
\end{supertabular}
\end{document}

And the interesting part here is \multicolumn{1}{c}{\multirow{2}{*}{\textbf{``Bar \linebreak Baz Mumble''}}} & "

...the \linebreak appears to be failing, at the very least.

Any suggestions? Thank you very much!

[latex_user]

Solved with an easy hack: use two lines for the header, and keep some cells blank in the second line. I tried this early on to no avail -- must've done something wrong. Sample code below in case it's useful to anyone else some 3:00 am.

I imagine there are better ways to do this... breaking lines by hand is a good sign I'm off in the weeds. More graceful ideas welcome!

Code: Select all

\documentclass[9pt,twocolumn]{article}
\usepackage{supertabular}
\usepackage{multirow}

\begin{document}

\tablefirsthead{%
    \hline  \\
      \multicolumn{1}{c}{Foo} & \multicolumn{1}{c}{Bar Baz}  \\
      \multicolumn{1}{c}{} &  \multicolumn{1}{c}{Mumble} \\
    \hline  \\      
  }
            
%This is the header for the remaining page(s) of the table...
\tablehead{%
    \hline 
      \multicolumn{1}{c}{Foo} & \multicolumn{1}{c}{Bar Baz}  \\
      \multicolumn{1}{c}{} &  \multicolumn{1}{c}{Mumble} \\
    \hline  \\      
 }

%This is the footer for all pages except the last page of the table...
\tabletail{%
\hline 
  \multicolumn{2}{l}{{Continued \ldots}} \\
}
\tablelasttail{\hline}
\begin{supertabular}{p{2.2cm} c  }
A & B \\
C & D \\
\hline
\end{supertabular}
\end{document}