Fix: strip surplus indent on over-indented list-item paragraph continuation

src/Parser/BlockParser.php

@@ -2269,7 +2269,13 @@ protected function tryParseList(Node $parent, array $lines, int $start): ?int
                     $this->parseBlocks($listItem, $itemLines, 0);
                 } else {
                     $paragraph = new Paragraph();
-                    $this->inlineParser->parse($paragraph, implode("\n", $itemLines), $start);
+                    // Plain-paragraph item: continuation lines strip ALL leading
+                    // whitespace (djot soft-break rule), matching tryParseParagraph().
+                    // itemLines keep indent relative to the item for the block-parse
+                    // branch above; here that surplus indent would leak into the
+                    // inline text (e.g. an over-indented continuation rendering as
+                    // "  c" instead of "c").
+                    $this->inlineParser->parse($paragraph, implode("\n", array_map('ltrim', $itemLines)), $start);
                     $listItem->appendChild($paragraph);
                 }
             } elseif ($itemLines !== ['']) {

tests/TestCase/NestedListEdgeCasesTest.php

@@ -5,6 +5,7 @@
 namespace Djot\Test\TestCase;
 
 use Djot\DjotConverter;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -732,4 +733,43 @@ public function testSingleBlankLineAllowsBlockElement(): void
         $this->assertNotFalse($headingPos);
         $this->assertGreaterThan($lastUlPos, $headingPos);
     }
+
+    // ============ Over-indented paragraph continuation in a list item ============
+
+    /**
+     * A tight list-item paragraph continuation line indented MORE than the item
+     * content indent must strip all leading whitespace (djot soft-break rule),
+     * not just the item indent. Matches canonical djot.js, which renders every
+     * variant below identically.
+     *
+     * @return array<string, array{0: string}>
+     */
+    public static function overIndentedContinuationProvider(): array
+    {
+        return [
+            'flush continuation' => ["- a\n  - b\nc\n"],
+            'one-space continuation' => ["- a\n  - b\n c\n"],
+            'content-indent continuation' => ["- a\n  - b\n  c\n"],
+            'over-indented continuation' => ["- a\n  - b\n    c\n"],
+        ];
+    }
+
+    #[DataProvider('overIndentedContinuationProvider')]
+    public function testOverIndentedParagraphContinuationStripsSurplusIndent(string $djot): void
+    {
+        $result = $this->converter->convert($djot);
+
+        // The "- b" line and "c" line are plain paragraph continuation text of
+        // item "a"; surplus indentation must not leak into the inline output.
+        $this->assertStringContainsString("a\n- b\nc", $result);
+        $this->assertStringNotContainsString('  c', $result);
+    }
+
+    public function testListItemOverIndentedContinuationWithoutNestedMarker(): void
+    {
+        $result = $this->converter->convert("- a\n    c\n");
+
+        $this->assertStringContainsString("a\nc", $result);
+        $this->assertStringNotContainsString('  c', $result);
+    }
 }