Fix trimming of padding in table cells

This trims Unicode spaces (as done upstream) without removing newlines
produces by escape sequences.

Author: stof

src/Lexer.php

@@ -788,18 +788,21 @@ protected function scanTableRow()
 
     private function parseTableCell(string $cell): string
     {
+        $trimmedCell = preg_replace('/^[ \\t\\n\\x0B\\f\\r\\x85\\xA0]++|[ \\t\\n\\x0B\\f\\r\\x85\\xA0]++$/u', '', $cell);
+        \assert($trimmedCell !== null);
+
         $value = preg_replace_callback('/\\\\./', function (array $matches) {
             return match ($matches[0]) {
                 '\\n' => "\n",
                 '\\\\' => '\\',
                 '\\|' => '|',
                 default => $matches[0],
             };
-        }, $cell);
+        }, $trimmedCell);
 
         assert($value !== null);
 
-        return trim($value, ' ');
+        return $value;
     }
 
     /**

tests/Cucumber/CompatibilityTest.php

@@ -67,7 +67,6 @@ class CompatibilityTest extends TestCase
             'rule.feature' => 'Rule keyword not supported',
             'rule_with_tag.feature' => 'Rule keyword not supported',
             'tags.feature' => 'Rule keyword not supported',
-            'padded_example.feature' => 'Table padding is not trimmed as aggressively',
             'rule_without_name_and_description.feature' => 'Rule is wrongly parsed as Description',
         ],
     ];