Preserve typed link text in pipe-less wikilinks

src/Application/CommonMark/WikiLinkNode.php

@@ -24,15 +24,16 @@ public function __construct(
 		parent::__construct();
 	}
 
+	/**
+	 * Pipe-less links keep the target text exactly as typed (colon-stripped and
+	 * trimmed by the parser), matching how MediaWiki wikitext and Obsidian render
+	 * them. The resolved title drives the href and link registration, not the label.
+	 */
 	public function displayLabel(): string {
 		if ( $this->label !== null && $this->label !== '' ) {
 			return $this->label;
 		}
 
-		if ( $this->resolvedTitle !== null ) {
-			return $this->resolvedTitle->textWithFragment();
-		}
-
 		return $this->target;
 	}
 

tests/phpunit/Application/MarkdownRendererTest.php

@@ -409,6 +409,55 @@ public function testWikiLinkRendersAndIsCollected(): void {
 		$this->assertSame( 'Some Page', $result->links[0]->prefixedText );
 	}
 
+	public function testPipelessWikiLinkDisplaysTypedTextNotNormalizedTitle(): void {
+		$result = $this->render( 'See [[page]] here' );
+
+		$this->assertSame(
+			"<p>See <a href=\"/wiki/Page\">page</a> here</p>\n",
+			$result->html
+		);
+		$this->assertSame( 'Page', $result->links[0]->prefixedText );
+	}
+
+	public function testPipelessWikiLinkKeepsTypedTextWithFragment(): void {
+		$result = $this->render( '[[page#section]]' );
+
+		$this->assertSame(
+			"<p><a href=\"/wiki/Page#section\">page#section</a></p>\n",
+			$result->html
+		);
+		$this->assertSame( 'section', $result->links[0]->fragment );
+	}
+
+	public function testColonPrefixedCategoryLinkUsesTypedTextWithoutLeadingColon(): void {
+		$result = $this->render( '[[:Category:some category]]' );
+
+		$this->assertSame(
+			"<p><a href=\"/wiki/Category:Some category\">Category:some category</a></p>\n",
+			$result->html
+		);
+		$this->assertSame( [], $result->categories );
+		$this->assertCount( 1, $result->links );
+	}
+
+	public function testColonPrefixedFileLinkUsesTypedTextWithoutLeadingColon(): void {
+		$result = $this->render( '[[:File:some file.png]]' );
+
+		$this->assertSame(
+			"<p><a href=\"/wiki/File:Some file.png\">File:some file.png</a></p>\n",
+			$result->html
+		);
+		$this->assertSame( [], $result->files );
+		$this->assertCount( 1, $result->links );
+	}
+
+	public function testPipedWikiLinkUsesLabelNotTypedTarget(): void {
+		$this->assertSame(
+			"<p><a href=\"/wiki/Page\">Label</a></p>\n",
+			$this->render( '[[page|Label]]' )->html
+		);
+	}
+
 	public function testWikiLinkWithLabelUsesLabel(): void {
 		$this->assertSame(
 			"<p><a href=\"/wiki/Some Page\">the label</a></p>\n",

tests/phpunit/EntryPoints/MarkdownContentHandlerTest.php

@@ -42,6 +42,13 @@ public function testRegistersInternalLinks(): void {
 		$this->assertArrayHasKey( 'Another_One', $output->getLinks()[NS_MAIN] );
 	}
 
+	public function testPipelessLinkDisplaysTypedTextWhileRegisteringNormalizedTitle(): void {
+		$output = $this->getParserOutput( 'See [[phase one matrix]] here' );
+
+		$this->assertStringContainsString( '>phase one matrix</a>', $output->getRawText() );
+		$this->assertArrayHasKey( 'Phase_one_matrix', $output->getLinks()[NS_MAIN] );
+	}
+
 	public function testRendersMissingPageAsRedLink(): void {
 		$output = $this->getParserOutput( '[[Surely This Page Is Missing]]' );
 

tests/phpunit/TestDoubles/FakeWikiTitleParser.php

@@ -10,7 +10,8 @@
 /**
  * Pure-PHP stand-in for the MediaWiki TitleParser adapter. Understands just enough
  * title syntax for the pipeline tests: Category:/File: prefixes (case-insensitive,
- * like MediaWiki), the "wikipedia" interwiki prefix, #fragments, and rejection of
+ * like MediaWiki), the "wikipedia" interwiki prefix, #fragments, first-letter
+ * capitalization (MediaWiki's $wgCapitalLinks default), and rejection of
  * characters MediaWiki considers invalid in titles.
  */
 final class FakeWikiTitleParser implements WikiTitleParser {
@@ -48,6 +49,7 @@ public function parse( string $titleText ): ?WikiTitle {
 		}
 
 		[ $namespace, $prefix, $text ] = $this->splitNamespace( $pageText );
+		$text = $this->capitalizeFirst( $text );
 
 		return new WikiTitle(
 			namespace: $namespace,
@@ -84,4 +86,12 @@ private function splitNamespace( string $pageText ): array {
 		return [ self::MAIN_NAMESPACE, '', $pageText ];
 	}
 
+	private function capitalizeFirst( string $text ): string {
+		if ( $text === '' ) {
+			return '';
+		}
+
+		return mb_strtoupper( mb_substr( $text, 0, 1 ) ) . mb_substr( $text, 1 );
+	}
+
 }