Make table column headings bold.

Doc/myformat.sty

@@ -453,7 +453,7 @@
 \newenvironment{tableii}[4]{%
   \begin{center}%
     \def\lineii##1##2{\csname#2\endcsname{##1}&##2\\}%
-    \begin{tabular}{#1}\hline#3&#4\\ \hline%
+    \begin{tabular}{#1}\hline \strong{#3}&\strong{#4} \\ \hline%
 }{%
       \hline%
     \end{tabular}%
@@ -463,8 +463,7 @@
 \newenvironment{tableiii}[5]{%
   \begin{center}%
     \def\lineiii##1##2##3{\csname#2\endcsname{##1}&##2&##3\\}%
-    \begin{tabular}{#1}\hline#3&#4&#5\\%
-      \hline%
+    \begin{tabular}{#1}\hline \strong{#3}&\strong{#4}&\strong{#5} \\ \hline%
 }{%
       \hline%
     \end{tabular}%