3 files changed, 51 insertions, 0 deletions
diff --git a/core/testdata/format/website-samples/newLinesInSamples.kt b/core/testdata/format/website-samples/newLinesInSamples.kt
new file mode 100644
index 00000000..ee49aefc
--- /dev/null
+++ b/core/testdata/format/website-samples/newLinesInSamples.kt
@@ -0,0 +1,19 @@
+fun groupBySample() {
+    val words = listOf("a", "abc", "ab", "def", "abcd")
+    val byLength = words.groupBy { it.length }
+
+    assertPrints(byLength.keys, "[1, 3, 2, 4]")
+    assertPrints(byLength.values, "[[a], [abc, def], [ab], [abcd]]")
+
+    val mutableByLength: MutableMap<Int, MutableList<String>> = words.groupByTo(mutableMapOf()) { it.length }
+    // same content as in byLength map, but the map is mutable
+    assertTrue(mutableByLength == byLength)
+}
+
+
+/**
+ * @sample groupBySample
+ */
+fun foo() {
+
+}
+\ No newline at end of file
diff --git a/core/testdata/format/website-samples/newLinesInSamples.md b/core/testdata/format/website-samples/newLinesInSamples.md
new file mode 100644
index 00000000..9d3af798
--- /dev/null
+++ b/core/testdata/format/website-samples/newLinesInSamples.md
@@ -0,0 +1,31 @@
+---
+title: foo - test
+layout: api
+---
+
+<div class='api-docs-breadcrumbs'><a href="test/index">test</a> / <a href="test/foo">foo</a></div>
+
+# foo
+
+<div class="signature"><code><span class="keyword">fun </span><span class="identifier">foo</span><span class="symbol">(</span><span class="symbol">)</span><span class="symbol">: </span><span class="identifier">Unit</span></code></div>
+<div class="sample" markdown="1">
+
+``` kotlin
+
+fun main(args: Array<String>) {
+//sampleStart
+
+val words = listOf("a", "abc", "ab", "def", "abcd")
+val byLength = words.groupBy { it.length }
+
+println(byLength.keys) // [1, 3, 2, 4]
+println(byLength.values) // [[a], [abc, def], [ab], [abcd]]
+
+val mutableByLength: MutableMap<Int, MutableList<String>> = words.groupByTo(mutableMapOf()) { it.length }
+// same content as in byLength map, but the map is mutable
+println("mutableByLength == byLength is ${mutableByLength == byLength}") // true
+//sampleEnd
+}
+```
+
+</div>
diff --git a/core/testdata/format/website-samples/sampleWithAsserts.md b/core/testdata/format/website-samples/sampleWithAsserts.md
index 98d7df33..e5284258 100644
--- a/core/testdata/format/website-samples/sampleWithAsserts.md
+++ b/core/testdata/format/website-samples/sampleWithAsserts.md
@@ -14,6 +14,7 @@ layout: api
 
 fun main(args: Array<String>) {
 //sampleStart
+
 println(a()) // Hello, Work
 println("a() == b() is ${a() == b()}") // true
 //sampleEnd