diff --git a/OpenProblemLibrary/Rochester/setAppletExamples/PolarApplet.pg b/OpenProblemLibrary/Rochester/setAppletExamples/PolarApplet.pg
index d279f89de5..e202151339 100644
--- a/OpenProblemLibrary/Rochester/setAppletExamples/PolarApplet.pg
+++ b/OpenProblemLibrary/Rochester/setAppletExamples/PolarApplet.pg
@@ -1,6 +1,6 @@
 ################################################################################
 # WeBWorK Online Homework Delivery System
-# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
+# Copyright © 2000-2019 The WeBWorK Project, http://openwebwork.sf.net/
 # $CVSHeader: database_problems/Rochester/setAppletExamples/PolarApplet.pg,v 1.1 2007/07/20 02:31:45 jjholt Exp $
 # 
 # This program is free software; you can redistribute it and/or modify it under
diff --git a/OpenProblemLibrary/Rochester/setAppletExamples/appletExamplesHeader.pg b/OpenProblemLibrary/Rochester/setAppletExamples/appletExamplesHeader.pg
index 41b2d49ed0..90e33d0c13 100644
--- a/OpenProblemLibrary/Rochester/setAppletExamples/appletExamplesHeader.pg
+++ b/OpenProblemLibrary/Rochester/setAppletExamples/appletExamplesHeader.pg
@@ -1,6 +1,6 @@
 ################################################################################
 # WeBWorK Online Homework Delivery System
-# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
+# Copyright © 2000-2019 The WeBWorK Project, http://openwebwork.sf.net/
 # $CVSHeader: database_problems/Rochester/setAppletExamples/appletExamplesHeader.pg,v 1.1 2007/07/20 02:31:45 jjholt Exp $
 # 
 # This program is free software; you can redistribute it and/or modify it under
diff --git a/OpenProblemLibrary/Rochester/setAppletExamples/gummyGraph1.pg b/OpenProblemLibrary/Rochester/setAppletExamples/gummyGraph1.pg
index d005fc64f5..580b3507a9 100644
--- a/OpenProblemLibrary/Rochester/setAppletExamples/gummyGraph1.pg
+++ b/OpenProblemLibrary/Rochester/setAppletExamples/gummyGraph1.pg
@@ -1,6 +1,6 @@
 ################################################################################
 # WeBWorK Online Homework Delivery System
-# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
+# Copyright © 2000-2019 The WeBWorK Project, http://openwebwork.sf.net/
 # $CVSHeader: database_problems/Rochester/setAppletExamples/gummyGraph1.pg,v 1.1 2007/07/20 02:31:45 jjholt Exp $
 # 
 # This program is free software; you can redistribute it and/or modify it under
diff --git a/OpenProblemLibrary/Rochester/setAppletExamples/scriptGraph1.pg b/OpenProblemLibrary/Rochester/setAppletExamples/scriptGraph1.pg
index 8c6fa03a73..62a2308748 100644
--- a/OpenProblemLibrary/Rochester/setAppletExamples/scriptGraph1.pg
+++ b/OpenProblemLibrary/Rochester/setAppletExamples/scriptGraph1.pg
@@ -1,6 +1,6 @@
 ################################################################################
 # WeBWorK Online Homework Delivery System
-# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
+# Copyright © 2000-2019 The WeBWorK Project, http://openwebwork.sf.net/
 # $CVSHeader: database_problems/Rochester/setAppletExamples/scriptGraph1.pg,v 1.1 2007/07/20 02:31:45 jjholt Exp $
 # 
 # This program is free software; you can redistribute it and/or modify it under
diff --git a/OpenProblemLibrary/Rochester/setAppletExamples/scriptGraph2.pg b/OpenProblemLibrary/Rochester/setAppletExamples/scriptGraph2.pg
index 39211ded57..04919d68dd 100644
--- a/OpenProblemLibrary/Rochester/setAppletExamples/scriptGraph2.pg
+++ b/OpenProblemLibrary/Rochester/setAppletExamples/scriptGraph2.pg
@@ -1,6 +1,6 @@
 ################################################################################
 # WeBWorK Online Homework Delivery System
-# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
+# Copyright © 2000-2019 The WeBWorK Project, http://openwebwork.sf.net/
 # $CVSHeader: database_problems/Rochester/setAppletExamples/scriptGraph2.pg,v 1.1 2007/07/20 02:31:45 jjholt Exp $
 # 
 # This program is free software; you can redistribute it and/or modify it under
diff --git a/OpenProblemLibrary/Rochester/setAppletExamples/sketchGraph1.pg b/OpenProblemLibrary/Rochester/setAppletExamples/sketchGraph1.pg
index f17ac4f481..fcb39417e3 100644
--- a/OpenProblemLibrary/Rochester/setAppletExamples/sketchGraph1.pg
+++ b/OpenProblemLibrary/Rochester/setAppletExamples/sketchGraph1.pg
@@ -1,6 +1,6 @@
 ################################################################################
 # WeBWorK Online Homework Delivery System
-# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
+# Copyright © 2000-2019 The WeBWorK Project, http://openwebwork.sf.net/
 # $CVSHeader: database_problems/Rochester/setAppletExamples/sketchGraph1.pg,v 1.1 2007/07/20 02:31:45 jjholt Exp $
 # 
 # This program is free software; you can redistribute it and/or modify it under
diff --git a/OpenProblemLibrary/Rochester/setAppletExamples/sliderGraph1.pg b/OpenProblemLibrary/Rochester/setAppletExamples/sliderGraph1.pg
index 2c8ff9bd73..54026f014d 100644
--- a/OpenProblemLibrary/Rochester/setAppletExamples/sliderGraph1.pg
+++ b/OpenProblemLibrary/Rochester/setAppletExamples/sliderGraph1.pg
@@ -1,6 +1,6 @@
 ################################################################################
 # WeBWorK Online Homework Delivery System
-# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
+# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
 # $CVSHeader: database_problems/Rochester/setAppletExamples/sliderGraph1.pg,v 1.1 2007/07/20 02:31:45 jjholt Exp $
 # 
 # This program is free software; you can redistribute it and/or modify it under
diff --git a/OpenProblemLibrary/Rochester/setSequentialProblems/sequentialProblem3.pg b/OpenProblemLibrary/Rochester/setSequentialProblems/sequentialProblem3.pg
index 7186a5d841..f73bae9ef4 100644
--- a/OpenProblemLibrary/Rochester/setSequentialProblems/sequentialProblem3.pg
+++ b/OpenProblemLibrary/Rochester/setSequentialProblems/sequentialProblem3.pg
@@ -18,7 +18,7 @@
 
 ################################################################################
 # WeBWorK Online Homework Delivery System
-# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
+# Copyright © 2000-2019 The WeBWorK Project, http://openwebwork.sf.net/
 # $CVSHeader: database_problems/Rochester/setSequentialProblems/sequentialProblem3.pg,v 1.1 2007/07/20 12:28:28 jjholt Exp $
 # 
 # This program is free software; you can redistribute it and/or modify it under
@@ -121,4 +121,4 @@ if (@incorrect_answers = get_incorrect_answers( ) ) {
 
 
 
-ENDDOCUMENT();
\ No newline at end of file
+ENDDOCUMENT();
diff --git a/OpenProblemLibrary/ma123DB/set6/s9_2_3.pg b/OpenProblemLibrary/ma123DB/set6/s9_2_3.pg
index bb6adac666..8ccfc4385b 100644
--- a/OpenProblemLibrary/ma123DB/set6/s9_2_3.pg
+++ b/OpenProblemLibrary/ma123DB/set6/s9_2_3.pg
@@ -36,7 +36,7 @@ $tf = new_match_list();
 # $tf now "contains" the select list object.  
 
 
-$tf -> ra_pop_up_list( [ No_answer => "ΚΚ?", T => "True", F => "False"] ); 
+$tf -> ra_pop_up_list( [ No_answer => "?", T => "True", F => "False"] ); 
 
 $numberOfQuestions = 4;
 $tf -> qa (
diff --git a/OpenProblemLibrary/ma123DB/set6/s9_2_4.pg b/OpenProblemLibrary/ma123DB/set6/s9_2_4.pg
index db0c3c1fa1..0c9736eb80 100644
--- a/OpenProblemLibrary/ma123DB/set6/s9_2_4.pg
+++ b/OpenProblemLibrary/ma123DB/set6/s9_2_4.pg
@@ -46,7 +46,7 @@ $tf = new_match_list();
 # To enter T as an answer choose the list element "True"
 # To enter F as an answer choose the list element "False"
 # The first choice is a blank to make the students do SOMETHING!!!
-$tf -> ra_pop_up_list( [ No_answer => "ΚΚ?", T => "True", F => "False"] ); 
+$tf -> ra_pop_up_list( [ No_answer => "?", T => "True", F => "False"] ); 
 # Note how the list is constructed [ answer => list element , answer => list element ]
 
 # Insert some  questions and whether or not they are true.
diff --git a/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_1/ur_de_2_1.pg b/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_1/ur_de_2_1.pg
index bbeb08dcf3..bfef8ac865 100644
--- a/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_1/ur_de_2_1.pg
+++ b/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_1/ur_de_2_1.pg
@@ -47,7 +47,7 @@ $tf = new_match_list();
 # To enter T as an answer choose the list element "True"
 # To enter F as an answer choose the list element "False"
 # The first choice is a blank to make the students do SOMETHING!!!
-$tf -> ra_pop_up_list( [ No_answer => "ΚΚ?", T => "True", F => "False"] );
+$tf -> ra_pop_up_list( [ No_answer => "?", T => "True", F => "False"] );
 # Note how the list is constructed [ answer => list element , answer => list element ]
 
 # Insert some  questions and whether or not they are true.
diff --git a/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_2/ur_de_2_2.pg b/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_2/ur_de_2_2.pg
index 81cd2b8c87..31482f06ee 100644
--- a/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_2/ur_de_2_2.pg
+++ b/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_2/ur_de_2_2.pg
@@ -47,7 +47,7 @@ $tf = new_match_list();
 # To enter T as an answer choose the list element "True"
 # To enter F as an answer choose the list element "False"
 # The first choice is a blank to make the students do SOMETHING!!!
-$tf -> ra_pop_up_list( [ No_answer => "ΚΚ?", T => "True", F => "False"] );
+$tf -> ra_pop_up_list( [ No_answer => "?", T => "True", F => "False"] );
 # Note how the list is constructed [ answer => list element , answer => list element ]
 
 # Insert some  questions and whether or not they are true.
diff --git a/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_3.pg b/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_3.pg
index a20fb10720..0c471b23ca 100644
--- a/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_3.pg
+++ b/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_3.pg
@@ -48,7 +48,7 @@ $tf = new_match_list();
 # To enter T as an answer choose the list element "True"
 # To enter F as an answer choose the list element "False"
 # The first choice is a blank to make the students do SOMETHING!!!
-$tf -> ra_pop_up_list( [ No_answer => "ΚΚ?", T => "True", F => "False"] ); 
+$tf -> ra_pop_up_list( [ No_answer => "?", T => "True", F => "False"] ); 
 # Note how the list is constructed [ answer => list element , answer => list element ]
 
 # Insert some  questions and whether or not they are true.
diff --git a/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_4.pg b/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_4.pg
index afa4ec9fff..297201aa23 100644
--- a/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_4.pg
+++ b/OpenProblemLibrary/maCalcDB/setDiffEQ2DirectionFields/ur_de_2_4.pg
@@ -48,7 +48,7 @@ $tf = new_match_list();
 # To enter T as an answer choose the list element "True"
 # To enter F as an answer choose the list element "False"
 # The first choice is a blank to make the students do SOMETHING!!!
-$tf -> ra_pop_up_list( [ No_answer => "ΚΚ?", T => "True", F => "False"] ); 
+$tf -> ra_pop_up_list( [ No_answer => "?", T => "True", F => "False"] ); 
 # Note how the list is constructed [ answer => list element , answer => list element ]
 
 # Insert some  questions and whether or not they are true.