Get rid of a bunch more raw_input references
diff --git a/Doc/lib/libtermios.tex b/Doc/lib/libtermios.tex
index ef99cf9..64f3438 100644
--- a/Doc/lib/libtermios.tex
+++ b/Doc/lib/libtermios.tex
@@ -91,6 +91,12 @@
 old tty attributes are restored exactly no matter what happens:
 
 \begin{verbatim}
+def raw_input(prompt):
+    import sys
+    sys.stdout.write(prompt)
+    sys.stdout.flush()
+    return sys.stdin.readline()
+
 def getpass(prompt = "Password: "):
     import termios, sys
     fd = sys.stdin.fileno()