--- loncom/html/adm/help/tex/Developer_Tutorial.tex	2003/08/20 16:17:40	1.1
+++ loncom/html/adm/help/tex/Developer_Tutorial.tex	2003/08/25 19:22:03	1.2
@@ -252,7 +252,7 @@ If Apache is claiming it can't find the
 something is wrong with your \texttt{loncapa\_apache.conf} file. Please
 double check the entry to make sure it is in the right place, that
 it is typed correctly, and that all the lines are present. If it is
-still incorrect, please ask for help on the \texttt{lon-capa-dev@mail.msu.edu}
+still incorrect, please ask for help on the \texttt{lon-capa-dev@mail.lon-capa.org}
 list, including a copy of your \texttt{loncapa\_apache.conf} file
 in the email; either something is wrong that is beyond the scope of
 this document(other system configuration issues) or you really can't
@@ -277,7 +277,7 @@ tail~/var/log/httpd/error\_log
 Since I can't guess what error you encountered, I'm afraid I can't
 help you out here. But I do know the code I wrote above worked, so
 as a last resort try to figure out what is different. If you are absolutely
-stumped, please ask for help on the \texttt{lon-capa-dev@mail.msu.edu}
+stumped, please ask for help on the \texttt{lon-capa-dev@mail.lon-capa.org}
 list, including a copy of your \texttt{lontutorial.pm} file in the
 email; either something is wrong that is beyond the scope of this
 document (other system configuration issues) or you really can't find
@@ -479,8 +479,10 @@ routine takes a \emph{lot} of arguments,
 takes in a hash reference instead of a traditional list of arguments.
 For full information about what that function takes, consult the documentation.
 \texttt{'cols'} will tell the render function what to render in the
-navmap; {}``0'' is the standard listing of the resource with a link
-to the resource. \texttt{'showParts' => 0} tells the render function
+navmap; {}``Apache::lonnavmaps::resource'' is a constant that
+indicates the standard listing of the resource with a link 
+to the resource, which is the first column of the \textbf{NAV} display
+you are used to. \texttt{'showParts' => 0} tells the render function
 not to show individual parts, which will not be useful to us. \texttt{'r'
 => \$r} passes the Apache response object to the \texttt{render} function,
 which it uses to provide periodic output to the user by using the
@@ -570,7 +572,10 @@ When you hit {}``Increment'', {}``Form s
 Note this only applies to POST'ed data. If you use GET, the data will
 appear on the query string. For your code, this will show up in \texttt{\$ENV\{QUERY\_STRING\}}.
 If you want to invoke LON-CAPA's processing on that string, so you
-see the variables in \texttt{\%ENV}, use \texttt{Apache::loncommon::get\_unprocessed\_cgi(\$ENV\{QUERY\_STRING\});}.
+see the variables in \texttt{\%ENV}, use
+\texttt{Apache::loncommon::get\_unprocessed\_cgi(\$ENV\{QUERY\_STRING\});}.
+This is particularly useful for cases where input may be coming in via
+either POST or GET.
 
 
 \subsubsection{Adding Checkboxes for Input}
@@ -579,7 +584,8 @@ Now we want to add a checkbox column int
 we have a place to input our selections. In order to do that, we need
 to provide the rendering code with a subroutine that will take an
 \texttt{Apache::lonnavmaps::resource} object and return the string
-we want to print, including the <td> and </td> tags. (For more information,
+we want to print, including the \texttt{td} and 
+\texttt{/td} tags. (For more information,
 consult the \texttt{Apache::lonnavmaps::render} documentation.) Add
 the following after the second and last \texttt{send\_http\_header}
 line: