Java: conserve whitespace inside pre-tags as is (IDEA-371810)

GitOrigin-RevId: 24998ca546ab9957260153af766f35fc04e7ad1a

java/java-tests/testData/ig/com/siyeh/igtest/migration/markdown_documentation_comments_migration/MarkdownDocumentationCommentsMigration.after.java

@@ -368,3 +368,19 @@ final class LookupWithIndentsBuilder {
 interface Foo<T, B, P, I>
 {
 }
+///    <prE>
+/// This has some formatted text with blank lines.
+///
+/// This has some formatted text with blank lines.
+///
+/// This has some formatted text with blank lines.
+///
+///     An indented line.
+///
+///
+/// Multiple blank lines above and more below.
+///
+///
+/// </Pre>
+/// end
+class Preformatted {}

java/java-tests/testData/ig/com/siyeh/igtest/migration/markdown_documentation_comments_migration/MarkdownDocumentationCommentsMigration.java

@@ -391,3 +391,21 @@ final class LookupWithIndentsBuilder {
 interface Foo<T, B, P, I>
 {
 }
+<warning descr="Javadoc comment can be Markdown documentation comment">/**</warning>
+ *    <prE>
+ * This has some formatted text with blank lines.
+ *
+ * This has some formatted text with blank lines.
+ *
+ * This has some formatted text with blank lines.
+ *
+ *     An indented line.
+ *
+ *
+ * Multiple blank lines above and more below.
+ *
+ *
+ * </Pre>
+ * end
+ */
+class Preformatted {}