Fix invalid line breaks in table cells for markdown formats

 #KT-16234 fixed

4 files changed, 23 insertions, 1 deletions

diff --git a/core/src/main/kotlin/Formats/MarkdownFormatService.kt b/core/src/main/kotlin/Formats/MarkdownFormatService.kt
index f7c17401..a7c18a28 100644
--- a/core/src/main/kotlin/Formats/MarkdownFormatService.kt
+++ b/core/src/main/kotlin/Formats/MarkdownFormatService.kt
@@ -87,7 +87,11 @@ open class MarkdownOutputBuilder(to: StringBuilder,
             maxBackticksInCodeBlock = maxBackticksInCodeBlock.coerceAtLeast(longestBackTickRun)
         }
         else {
-            to.append(text.htmlEscape())
+            if (text == "\n" && inTableCell) {
+                to.append(" ")
+            } else {
+                to.append(text.htmlEscape())
+            }
         }
     }
 
diff --git a/core/src/test/kotlin/format/MarkdownFormatTest.kt b/core/src/test/kotlin/format/MarkdownFormatTest.kt
index 52a62656..e3f4bae7 100644
--- a/core/src/test/kotlin/format/MarkdownFormatTest.kt
+++ b/core/src/test/kotlin/format/MarkdownFormatTest.kt
@@ -364,6 +364,10 @@ class MarkdownFormatTest {
         verifyMarkdownNode("nestedLists")
     }
 
+    @Test fun newlineInTableCell() {
+        verifyMarkdownPackage("newlineInTableCell")
+    }
+
     private fun buildMultiplePlatforms(path: String): DocumentationModule {
         val module = DocumentationModule("test")
         val options = DocumentationOptions("", "html", generateIndexPages = false, noStdlibLink = true)
diff --git a/core/testdata/format/newlineInTableCell.kt b/core/testdata/format/newlineInTableCell.kt
new file mode 100644
index 00000000..3e0616f0
--- /dev/null
+++ b/core/testdata/format/newlineInTableCell.kt
@@ -0,0 +1,6 @@
+/**
+ * There is `long long int` story
+ * full of
+ * new lines
+ */
+class A
\ No newline at end of file
diff --git a/core/testdata/format/newlineInTableCell.package.md b/core/testdata/format/newlineInTableCell.package.md
new file mode 100644
index 00000000..4b3875ba
--- /dev/null
+++ b/core/testdata/format/newlineInTableCell.package.md
@@ -0,0 +1,8 @@
+[test](test/index)
+
+## Package <root>
+
+### Types
+
+| [A](test/-a/index) | `class A`<br>There is `long long int` story full of new lines |
+