# HG changeset patch
# User Brian Neal <bgneal@gmail.com>
# Date 1373657571 18000
# Node ID 35b5eb90f5adfa845f0314eb93cf8b4843f6b05f
# Parent  0a3e4bc491188b34d1a350d05a84665c11599435
Double the length of the internal message indicator as I have seen 12 not be
enough.

diff -r 0a3e4bc49118 -r 35b5eb90f5ad m209/procedure.py
--- a/m209/procedure.py	Fri Jul 12 14:17:02 2013 -0500
+++ b/m209/procedure.py	Fri Jul 12 14:32:51 2013 -0500
@@ -137,9 +137,12 @@
         elif sys_ind is None:
             sys_ind = random.choice(M209_ALPHABET_LIST)
 
-        # Generate internal message indicator
+        # Generate internal message indicator.
+        # Note that the training film instructs the operator to encipher the
+        # system indicator 12 times. Occasionally I have found this is not
+        # enough letters. We double it to 24.
 
-        int_msg_ind = self.m_209.encrypt(sys_ind * 12, group=False)
+        int_msg_ind = self.m_209.encrypt(sys_ind * 24, group=False)
 
         self.m_209.letter_counter = 0