Index: openacs-4/packages/xotcl-core/www/show-class-graph.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-core/www/show-class-graph.tcl,v
diff -u -r1.12.2.2 -r1.12.2.3
--- openacs-4/packages/xotcl-core/www/show-class-graph.tcl	8 Aug 2020 08:08:20 -0000	1.12.2.2
+++ openacs-4/packages/xotcl-core/www/show-class-graph.tcl	26 Aug 2020 18:50:43 -0000	1.12.2.3
@@ -1,6 +1,6 @@
 ad_page_contract {
   Show an XOTcl class or object
-  
+
   @author Gustaf Neumann
   @cvs-id $Id$
 } -query {
@@ -20,7 +20,7 @@
 # final resort for cases, where ::util::which is not available
 if {$dot eq "" && [file executable /usr/bin/dot]} {set dot /usr/bin/dot}
 if {$dot eq ""} {ns_return 404 plain/text "dot not found"; ad_script_abort}
- 
+
 set tmpnam [ad_tmpnam]
 set tmpfile $tmpnam.$format
 set f [open $tmpnam.$format w]; puts $f $dot_code; close $f