--- a/demos/01_buffer.py	Fri Mar 28 10:44:29 2014 +0100
+++ b/demos/01_buffer.py	Fri Mar 28 14:58:12 2014 +0100
@@ -7,11 +7,11 @@
 
 
 buffer = Buffer(16, 8)
-buffer.fill(c='#')
-buffer.hline(1, 1, 14, c='-')
-buffer.hline(1, 6, 14, c='-')
-buffer.vline(7, 2, 4, c='|')
-buffer.puts(8, 4, 'Hello!')
+buffer.fill('#')
+buffer.hline('-', 1, 1, 14)
+buffer.hline('-', 1, 6, 14)
+buffer.vline('|', 7, 2, 4)
+buffer.puts('Hello!', 8, 4)
 buffer.frame()
 
 driver = Driver()