IDEA-178141 Case sensitive completion: First Letter - doesn't work correctly if class starts with special symbol

java/java-tests/testData/codeInsight/completion/normal/LowercaseDoesNotMatchUnderscore.java

@@ -0,0 +1,7 @@
+class X {
+  {
+    int _Web;
+    int web;
+    we<caret>x
+  }
+}

java/java-tests/testData/codeInsight/completion/normalSorting/DispreferUnderscoredCaseMismatch.java

@@ -1,5 +0,0 @@
-class Zoo {
-  void zoo(String fooBar, String __FOO_BAR) {
-    foo<caret>
-  }
-}