--- loncom/homework/structuretags.pm	2003/05/09 22:24:05	1.169
+++ loncom/homework/structuretags.pm	2003/05/12 13:50:08	1.170
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.169 2003/05/09 22:24:05 albertel Exp $
+# $Id: structuretags.pm,v 1.170 2003/05/12 13:50:08 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -38,7 +38,7 @@ use Apache::File();
 use Apache::lonmenu;
 
 BEGIN {
-    &Apache::lonxml::register('Apache::structuretags',('block','languageblock','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext'));
+    &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext'));
 }
 
 sub start_web {
@@ -657,6 +657,35 @@ sub end_languageblock {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;
     if ($target eq "edit") {
+	$result.= &Apache::edit::tag_end($target,$token,'');
+    }
+    return $result;
+}
+
+sub start_instructorcomment {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+
+    my $result;
+
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
+	$target eq 'tex' || $target eq 'analyze') {
+        $result=($ENV{'request.role'}=~/^(in|cc|au|ca|li)/);
+	if ( ! $result ) {
+	    my $skip=&Apache::lonxml::get_all_text("/instructorcomment",$parser);
+	    &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
+	}
+	$result='';
+    } elsif ($target eq 'edit') {
+	$result .=&Apache::edit::tag_start($target,$token);
+	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+    }
+    return $result;
+}
+
+sub end_instructorcomment {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    my $result;
+    if ($target eq "edit") {
 	$result.= &Apache::edit::tag_end($target,$token,'');
     }
     return $result;