\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(oval-item \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) Holds an object of class $<$guarded-oval$>$, where the 
	latter prevents
	 the user from changing the ``fill'' slot, since ``color'' is the 
	 slot which controls the color of the vertex.  NOT SETTLED YET - 
	 MUST OTHER ATTRIBUTES BE GUARDED TOO?\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(txt-item \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) Holds the STk $<$txt-item$>$ which holds the the vertex label.  
	 Note that vertex-label and vertex-name are two different concepts.  The
	 name is constant, while the label can change to display various
	 information.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(vertex \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) Holds the $<$vertex*$>$ object contained within \vgn.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(coords \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) The viewing coordinates of $<$vertex-item$>$ \vgn. \end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(world-coords \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) The world coordinates of $<$vertex-item$>$ \vgn. \end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(size \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) The size in pixels of the oval depicting the vertex.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(width \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot)The width of the outline encircling the vertex-item. The default
	 is 1.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(outline \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) The color of the outline encircling the vertex-item.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(color \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) The color of the oval depicting the vertex.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(text-color \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) The color of the vertex label.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(font \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) The font of the vertex label.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(stipple \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) The stipple of the oval depicting the vertex. For 
	example, ``'' is 
	 the default value, and ''gray-50'' gives the oval a sparser 
	 background.  See the Tk documentation for other options.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(tags \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(slot) The STk tags associated with the vertex-item.  This 
	information
	 is contained in a list, and some common values include 'vertex,
	 which is always present in vertices, and 'link:selected-item,'
	 which is added if the user selects the vertex.\end{minipage}
\end{minipage}
\vspace{0.2in}
 

\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(degree  \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(method) returns the degree of the vertex contained within
         vertex-item \vgn.\end{minipage}
\end{minipage}
\vspace{0.2in}


\begin{minipage}[t]{8in}
\begin{tabular}{ll}
 & \index{VertexItem!}(vertex-item?  \vgn)
\end{tabular}\\

	
 \parbox[b]{2in} \ \ 
\begin{minipage}[t]{4in}(method) Returns \#t if \vg is a vertex-item object.\end{minipage}
\end{minipage}
\vspace{0.2in}

