Add window.chgat() method, submitted via e-mail by Fabian Kreutz
diff --git a/Lib/test/test_curses.py b/Lib/test/test_curses.py
index b67dbe3..b236f35 100644
--- a/Lib/test/test_curses.py
+++ b/Lib/test/test_curses.py
@@ -129,6 +129,12 @@
     stdscr.touchline(5,5,0)
     stdscr.vline('a', 3)
     stdscr.vline('a', 3, curses.A_STANDOUT)
+    stdscr.chgat(5, 2, 3, curses.A_BLINK)
+    stdscr.chgat(3, curses.A_BOLD)
+    stdscr.chgat(5, 8, curses.A_UNDERLINE)
+    stdscr.chgat(curses.A_BLINK)
+    stdscr.refresh()
+
     stdscr.vline(1,1, 'a', 3)
     stdscr.vline(1,1, 'a', 3, curses.A_STANDOUT)