| Index: utils/template/codegen.dart
 | 
| diff --git a/utils/template/codegen.dart b/utils/template/codegen.dart
 | 
| index a622fba74456df5406663c3ff6308a30d4e49840..6f566a6db14d9a020bd9b986586f0e8fe85d064e 100644
 | 
| --- a/utils/template/codegen.dart
 | 
| +++ b/utils/template/codegen.dart
 | 
| @@ -501,7 +501,7 @@ class Codegen {
 | 
|  
 | 
|  class ElemCG {
 | 
|    // List of identifiers and quoted strings (single and double quoted).
 | 
| -  var identRe = const RegExp(
 | 
| +  var identRe = new RegExp(
 | 
|      "\s*('\"\\'\\\"[^'\"\\'\\\"]+'\"\\'\\\"|[_A-Za-z][_A-Za-z0-9]*)");
 | 
|  
 | 
|    List<CGBlock> _cgBlocks;
 | 
| 
 |