diff -pruN codestriker-1.9.3/codestriker.conf codestriker-1.9.3_anyline/codestriker.conf
--- codestriker-1.9.3/codestriker.conf	2007-03-07 06:38:01.000000000 +0300
+++ codestriker-1.9.3_anyline/codestriker.conf	2007-06-18 18:30:46.000000000 +0400
@@ -245,6 +245,9 @@ $COLOURED_MONO_MODE = 2;
 
 $default_topic_create_mode = $COLOURED_MODE;
 
+# Allow to place comments on any line, even on those not changed in changeset
+$allow_comment_any_line = 0;
+
 # The default line break viewing mode to use in the URL when viewing a
 # topic.  Can be either $LINE_BREAK_NORMAL_MODE or $LINE_BREAK_ASSIST_MODE.
 # Using $LINE_BREAK_ASSIST_MODE indicates that extra line breaks may be
diff -pruN codestriker-1.9.3/lib/Codestriker/Action/ViewTopicFile.pm codestriker-1.9.3_anyline/lib/Codestriker/Action/ViewTopicFile.pm
--- codestriker-1.9.3/lib/Codestriker/Action/ViewTopicFile.pm	2006-01-16 00:20:05.000000000 +0300
+++ codestriker-1.9.3_anyline/lib/Codestriker/Action/ViewTopicFile.pm	2007-06-18 17:37:32.000000000 +0400
@@ -151,7 +151,8 @@ sub process($$$) {
 	$render->delta_text($filename, $fn, $revision,
 			    $render->{old_linenumber},
 			    $render->{new_linenumber},
-			    $delta_text, 0, $new, 0);
+			    $delta_text, 0, $new,
+			    $Codestriker::allow_comment_any_line);
 			    
 	# Render the actual change delta.
 	$render->delta_text($filename, $fn, $revision,
@@ -166,7 +167,8 @@ sub process($$$) {
 	$delta_text .= " $filedata[$i]\n";
     }
     $render->delta_text($filename, $fn, $revision, $render->{old_linenumber},
-			$render->{new_linenumber}, $delta_text, 0, $new, 0);
+			$render->{new_linenumber}, $delta_text, 0, $new,
+			$Codestriker::allow_comment_any_line);
     
     # Close off the rendering.    
     if ($parallel) {