--- loncom/xml/lonxml.pm	2002/10/08 17:09:09	1.199
+++ loncom/xml/lonxml.pm	2002/10/20 18:42:53	1.205
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.199 2002/10/08 17:09:09 albertel Exp $
+# $Id: lonxml.pm,v 1.205 2002/10/20 18:42:53 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -60,7 +60,7 @@
 
 package Apache::lonxml; 
 use vars 
-qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $prevent_entity_encode);
+qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $prevent_entity_encode $errorcount $warningcount);
 use strict;
 use HTML::LCParser();
 use HTML::TreeBuilder();
@@ -100,6 +100,7 @@ use Apache::lonnet();
 use Apache::File();
 use Apache::loncommon();
 use Apache::lonfeedback();
+use Apache::lonmsg();
 
 #==================================================   Main subroutine: xmlparse  
 #debugging control, to turn on debugging modify the correct handler
@@ -139,6 +140,10 @@ $Apache::lonxml::registered=0;
 # a pointer the the Apache request object
 $Apache::lonxml::request='';
 
+# a problem number counter, and check on hether it is used
+$Apache::lonxml::counter=0;
+$Apache::lonxml::counter_changed=0;
+
 sub xmlbegin {
   my $output='';
   if ($ENV{'browser.mathml'}) {
@@ -382,6 +387,10 @@ sub registerurl {
     $Apache::lonxml::registered=1;
     my $nothing='';
     if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; }
+    my $newmail='';
+    if (&Apache::lonmsg::newmail()) { 
+       $newmail='menu.setstatus("you have","messages");';
+    }
     my $timesync='menu.syncclock(1000*'.time.');';
     if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
         my $hwkadd='';
@@ -411,6 +420,7 @@ ENDPARM
 	  menu=window.open("$nothing","LONCAPAmenu","",false);
           menu.clearTimeout(menu.menucltim);
           $timesync
+          $newmail
 	  menu.currentURL=window.location.pathname;
           menu.reloadURL=window.location.pathname;
           menu.currentStale=0;
@@ -549,6 +559,7 @@ sub xmlparse {
  if ($ENV{'request.uri'}) {
     &writeallows($ENV{'request.uri'});
  }
+ if ($Apache::lonxml::counter_changed) { &store_counter() }
  return $finaloutput;
 }
 
@@ -579,11 +590,7 @@ sub latex_special_symbols {
     $current_token=~s/\^/\\char94 /g;
     $current_token=~s/\~/\\char126 /g;
     $current_token=~s/(&[^a-z\#])/\\$1/g;
-    if ($current_token=~/ \#\w/) {
-	$current_token=~s/ \#(\w)/ \\#$1/;
-    } else {
-	$current_token=~s/([^&])(\#)/$1\\$2/g;
-    }
+    $current_token=~s/([^&])\#/$1\\#/g;
     $current_token=~s/(\$|_|{|})/\\$1/g;
     $current_token=~s/\\char92 /\\texttt{\\char92}/g;
     $current_token=~s/>/\$>\$/g; #more
@@ -845,6 +852,9 @@ sub setup_globals {
   my ($request,$target)=@_;
   $Apache::lonxml::request=$request;
   $Apache::lonxml::registered = 0;
+  $errorcount=0;
+  $warningcount=0;
+  &init_counter();
   @Apache::lonxml::pwd=();
   @Apache::lonxml::extlinks=();
   if ($target eq 'meta') {
@@ -1028,6 +1038,26 @@ sub get_all_text_unbalanced {
  return $result
 }
 
+sub increment_counter {
+    $Apache::lonxml::counter++;
+    $Apache::lonxml::counter_changed=1;
+}
+
+sub init_counter {
+    if (defined($ENV{'form.counter'})) {
+	$Apache::lonxml::counter=$ENV{'form.counter'};
+    } elsif (not defined($Apache::lonxml::counter)) {
+	$Apache::lonxml::counter=1;
+	&store_counter();
+    }
+    $Apache::lonxml::counter_changed=0;
+}
+
+sub store_counter {
+    &Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter));
+    return '';
+}
+
 sub get_all_text {
  my($tag,$pars)= @_;
  my $depth=0;
@@ -1319,11 +1349,12 @@ ENDNOTFOUND
 sub debug {
   if ($Apache::lonxml::debug eq 1) {
     $|=1;
-    print("DEBUG:".&HTML::Entities::encode($_[0])."<br />\n");
+    print('<font size="-2"<pre>DEBUG:'.&HTML::Entities::encode($_[0])."</pre></font>\n");
   }
 }
 
 sub error {
+  $errorcount++;
   if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) {
     # If printing in construction space, put the error inside <pre></pre>
     print "<b>ERROR:</b>".join("\n",@_)."\n";
@@ -1349,6 +1380,7 @@ sub error {
 }
 
 sub warning {
+  $warningcount++;
   if ($ENV{'request.state'} eq 'construct') {
     print "<b>W</b>ARNING<b>:</b>".join('<br />',@_)."<br />\n";
   }