@@ -219,7 +219,7 @@  | 
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| 219 | 219 | $content_class = 'collapse';  | 
                                                        
| 220 | 220 | $aria = 'false';  | 
                                                        
| 221 | 221 | |
| 222 | -        if ($n === 0 && (bool)$tree->getPreference('EXPAND_NAMES')) { | 
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| 222 | +        if ($n === 0 && (bool) $tree->getPreference('EXPAND_NAMES')) { | 
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| 223 | 223 | $content_class = 'collapse show';  | 
                                                        
| 224 | 224 | $aria = 'true';  | 
                                                        
| 225 | 225 | }  |