--- loncom/html/adm/help/tex/Authoring_Output_Tags.tex	2003/06/10 19:29:26	1.1
+++ loncom/html/adm/help/tex/Authoring_Output_Tags.tex	2005/09/29 21:13:07	1.5
@@ -1,29 +1,60 @@
 \label{Authoring_Output_Tags}
 
 
-This group of tags generate useful output. 
+This group of tags generates useful output. 
 
 \begin{itemize}
-\item \textbf{standalone}\index{standalone}: Everything in between the
-start and end tag is shown only on the web, and only if the resource
+\item \textbf{algebra}\index{algebra}: Typesets algebraic expressions
+\begin{verbatim}
+  <algebra>2x^y+sqrt(3/x^2)</algebra>
+\end{verbatim}
+\item \textbf{chem}\index{chem}: Typesets chemical equation 
+\begin{verbatim}
+  <chem>02 + 2H2 -> 2H20</chem>
+\end{verbatim}
+\item \textbf{num}\index{num}: Typesets a number 
+\begin{verbatim}
+  <num format=''2E''>31454678</num>
+\end{verbatim}
+\item \textbf{parse}\index{parse}: to display the parsed view of a variable's
+contents
+\begin{verbatim}
+  <script type=''loncapa/perl''>
+   $table='<table>';
+   for ($i=1;$i<=10;$i++) {
+      $table.='<tr><td>'.$i.'</td><td>'.&random(1,10,1).'</td></tr>';
+   }
+   $table.='</table>';
+  </script>
+  <parse>\$table</parse>
+\end{verbatim}
+
+\item \textbf{standalone}\index{standalone}: Everything inbetween the
+start and end tag is shown only on the web and only if the resource
 is not part of a course. 
 \item \textbf{displayduedate}\index{displayduedate}: This will insert the
-current duedate if one is set into the document. It is generated to
+current due date if one is set in the document. It is generated to
 be inside a table of 1x1 elements.
 \item \textbf{displaytitle}\index{displaytitle}: This will insert the title
 of the problem from the metadata of the problem. Only the first \textbf{displaytitle}
 in a problem will show the title; this allows clean usage of \textbf{displaytitle}
 in stylesheets.
-\item \textbf{window}\index{window}: The text in between is put in a popup
+\item \textbf{window}\index{window}: The text inbetween is put in a pop-up
 javascript window.
+
 \item \textbf{m}\index{m}: The inside text is \LaTeX{}, and is converted
-to HTML (or MathML) on the fly. If the attribute \textbf{eval} is
-set to {}``\textbf{on}'' the intervening text will have a perl variable
-expansion done to it before being converted. 
-\item \textbf{randomlabel}\index{randomlabel}: Shows a specified image
+to HTML (or MathML) on the fly. If the attribute \textbf{eval} is set
+to {}``\textbf{on}'' the intervening text will have a perl variable
+expansion done to it before being converted. The default is to convert
+to the display mechanism that the user has selected. This can be
+overriden by setting the attribute \textbf{display} to one of
+``\textbf{tth}'' or ``\textbf{jsMath}'' or ``\textbf{mimetex}''which
+will force a specfic display mechanism.
+
+\item \textbf{randomlabel}\index{randomlabel}: This shows a specified image
 with images or text labels randomly assigned to a set of specific
 locations. Those locations may also have values assigned to them.
-There is a hash generated containing the mapping of labels to locations,
+A hash is generated that contains the mapping of labels to locations,
 labels to values, and locations to values. Example: \begin{verbatim}
 
  <randomlabel bgimg="URL" width="12" height="45" texwidth="50">
@@ -45,14 +76,16 @@ labels to values, and locations to value
     </labelgroup>
    </randomlabel>
     
-\end{verbatim} Possible attributes are:
+\end{verbatim}
+
+ Possible attributes are:
 
 \begin{itemize}
 \item \textbf{bgimg}\index{bgimg}: Either a fully qualified URL for an
-external image, or a loncapa resource. It supports relative references
+external image or a LON-CAPA resource. It supports relative references
 (../images/apicture.gif). The image must either be a GIF or JPEG.
 \item \textbf{width}\index{width}: The width of the image in pixels.
 \item \textbf{height}\index{height}: The height of the image in pixels.
-\item \textbf{texwidth}\index{texwidth}: the width of the image in millimeters.
+\item \textbf{texwidth}\index{texwidth}: The width of the image in millimeters.
 \end{itemize}
 \end{itemize}