diff -r 61809bb871bf -r 022e881b758e plotter/hpgl_parser.py
--- a/plotter/hpgl_parser.py	Fri Jan 25 21:01:30 2008 +0100
+++ b/plotter/hpgl_parser.py	Sat Jan 26 11:39:30 2008 +0100
@@ -23,7 +23,7 @@
             if data[self.idx] == chr(0x03):
                 self.ESC()
             else:
-                cmd = data[self.idx: self.idx+2]
+                cmd = data[self.idx: self.idx+2].upper()
                 self.idx += 2
                 getattr(self, cmd)()
             while self.idx<len(data) and data[self.idx] in [';','\n','\r', '\a', ' ']: