fix(quarkdoc): fix @wiki links breaking if anchor is present

CHANGELOG.md

@@ -49,6 +49,10 @@ Thanks @cyphercodes!
 
 Captions now follow the global configuration for line spacing and letter spacing.
 
+#### Fixed Quarkdoc `Wiki page` broken links if it contains anchors
+
+The `@wiki` documentation tag now correctly preserves `#` anchor separators in wiki URLs.
+
 ## [1.15.0] - 2026-03-24
 
 ### Added

quarkdown-quarkdoc/src/main/kotlin/com/quarkdown/quarkdoc/dokka/page/WikiLinkPageTransformer.kt

@@ -1,5 +1,6 @@
 package com.quarkdown.quarkdoc.dokka.page
 
+import com.quarkdown.core.util.stripAnchor
 import com.quarkdown.quarkdoc.dokka.util.findDeep
 import org.jetbrains.dokka.base.translators.documentables.PageContentBuilder
 import org.jetbrains.dokka.model.DFunction
@@ -44,7 +45,16 @@ class WikiLinkPageTransformer(
         documentable: DFunction,
         builder: PageContentBuilder.DocumentableContentBuilder,
     ) = builder.buildGroup {
-        val url = WIKI_ROOT + URLEncoder.encode(data, Charsets.UTF_8)
+        val (page, anchor) = data.stripAnchor() ?: (data to null)
+        val url =
+            buildString {
+                append(WIKI_ROOT)
+                append(URLEncoder.encode(page, Charsets.UTF_8))
+                if (anchor != null) {
+                    append('#')
+                    append(URLEncoder.encode(anchor, Charsets.UTF_8))
+                }
+            }
         link(data, url)
     }
 }

quarkdown-quarkdoc/src/test/kotlin/com/quarkdown/quarkdoc/dokka/WikiLinkTransformerTest.kt

@@ -55,4 +55,20 @@ class WikiLinkTransformerTest : QuarkdocDokkaTest() {
             assertContains(it, WIKI_ROOT + "home%3A+page")
         }
     }
+
+    @Test
+    fun `wiki with anchor`() {
+        test(
+            """
+            /**
+             * @wiki File data#reading-files
+             */
+            fun func() = Unit
+            """.trimIndent(),
+            "func",
+        ) {
+            assertContains(it, "Wiki page")
+            assertContains(it, WIKI_ROOT + "File+data#reading-files")
+        }
+    }
 }