Index: openacs-4/packages/acs-automated-testing/tcl/aa-test-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-automated-testing/tcl/aa-test-procs.tcl,v
diff -u -r1.58 -r1.59
--- openacs-4/packages/acs-automated-testing/tcl/aa-test-procs.tcl	28 May 2018 15:49:52 -0000	1.58
+++ openacs-4/packages/acs-automated-testing/tcl/aa-test-procs.tcl	27 Jun 2018 09:15:52 -0000	1.59
@@ -1371,7 +1371,9 @@
     set test(testcase_failure) [array get testcase_failure]
 }
 
-ad_proc -public aa_test::visualize_control_chars {lines} {
+ad_proc -public aa_test::visualize_control_chars {lines} {    
+    Quotes and therefore makes visible control chars in input lines    
+} {
     set output $lines
     regsub -all {\\} $output {\\\\} output
     regsub -all {\r} $output {\\r} output