rlselectline for lesson 15

Author: davidcarlisle

hi/lesson-15.md

@@ -172,9 +172,9 @@ Some text
 
 <script>
   window.addEventListener('load', function(){
-      if(editors['pre2'] != null) editors['pre2'].moveCursorTo(3, 31, false);
-      if(editors['pre4'] != null) editors['pre4'].moveCursorTo(3, 18, false);
-      if(editors['pre7'] != null) editors['pre7'].moveCursorTo(3  , 20, false);
-      if(editors['pre9'] != null) editors['pre9'].moveCursorTo(7, 0, false);
+  rlselectline('pre2',4);
+  rlselectline('pre4',4);
+  rlselectline('pre7',4);
+  rlselectline('pre9',8);
   }, false);
 </script>

hi/more-15.md

@@ -119,8 +119,8 @@ l.5 Text_word  $\alpha
 
 <script>
   window.addEventListener('load', function(){
-      if(editors['pre0'] != null) editors['pre0'].moveCursorTo(8, 15, false);
-      if(editors['pre3'] != null) editors['pre3'].moveCursorTo(3, 5, false);
-      if(editors['pre6'] != null) editors['pre6'].moveCursorTo(4, 30, false);
+  rlselectline('pre0',10);
+  rlselectline('pre3',5);
+  rlselectline('pre6',6);
   }, false);
 </script>