Ignore leading dots in monitor commands.

src/py65/monitor.py

@@ -68,6 +68,10 @@ class Monitor(cmd.Cmd):
                            'z':   'step'}
 
     def _preprocess_line(self, line):
+        # ignore leading dots
+        while line.startswith('.'):
+          line = line[1:]
+      
         # command shortcuts
         for shortcut, command in self._shortcuts.iteritems():
             pattern = '^%s\s+' % re.escape(shortcut)

src/py65/tests/test_monitor.py

@@ -7,6 +7,16 @@ from StringIO import StringIO
 
 class MonitorTests(unittest.TestCase):
 
+    # line processing
+    
+    def test_preprocess_line_removes_leading_dots(self):
+        stdout = StringIO()
+        mon = Monitor(stdout=stdout)
+        mon.onecmd('...help')        
+        
+        out = stdout.getvalue()
+        self.assert_('Documented commands' in out)
+
     # assemble
     
     def test_do_assemble_assembles_valid_statement(self):