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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * webtrees: online genealogy  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Copyright (C) 2021 webtrees development team  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This program is free software: you can redistribute it and/or modify  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * it under the terms of the GNU General Public License as published by  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * the Free Software Foundation, either version 3 of the License, or  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * (at your option) any later version.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This program is distributed in the hope that it will be useful,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * but WITHOUT ANY WARRANTY; without even the implied warranty of  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * GNU General Public License for more details.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * You should have received a copy of the GNU General Public License  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * along with this program. If not, see <https://www.gnu.org/licenses/>.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Fisharebest\Webtrees\CommonMark;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\CommonMark\Parser\Block\BlockStart;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\CommonMark\Parser\Block\BlockStartParserInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\CommonMark\Parser\Cursor;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\CommonMark\Parser\MarkdownParserStateInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use function str_ends_with;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use function str_starts_with;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Convert webtrees 1.x census-assistant markup into tables.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Note that webtrees 2.0 generates markdown tables directly.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                class CensusTableStartParser implements BlockStartParserInterface  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param Cursor                       $cursor  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param MarkdownParserStateInterface $parserState  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return BlockStart|null  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($cursor->getLine() === CensusTableExtension::CA_PREFIX) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return BlockStart::of(new CensusTableContinueParser())  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                ->at($cursor);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return BlockStart::none();  | 
            
                            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for function or method calls that always return null and whose return value is used.
The method
getObject()can return nothing but null, so it makes no sense to use the return value.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.