test/javax/swing/text/DefaultStyledDocument/6636983/bug6636983.java

rev 14031 : 8160974: [TESTBUG] Mark more headful tests with @key headful.

This is a backport of fe58d505fffd from jdk9. 228/596 hunks apply without
modifications. 16 hunks required manual rework. The remainder were for files
not present in jdk8u.

@@ -21,10 +21,11 @@
  * questions.
  */
 
 /*
  * @test
+ * @key headful
  * @bug 6636983
  * @summary test that composed text at the line starts is handled correctly
  * @author Sergey Groznyh
  * @run main bug6636983
  */