Lots of small corrections by Andrew Kuchling (plus all new rotor docs)
diff --git a/Doc/libal.tex b/Doc/libal.tex
index 708c54e..51a0312 100644
--- a/Doc/libal.tex
+++ b/Doc/libal.tex
@@ -23,7 +23,7 @@
Module \code{al} defines the following functions:
\renewcommand{\indexsubitem}{(in module al)}
-\begin{funcdesc}{openport}{name\, direction\, config}
+\begin{funcdesc}{openport}{name\, direction\optional{\, config}}
Equivalent to the C function ALopenport(). The name and direction
arguments are strings. The optional config argument is an opaque
configuration object as returned by \code{al.newconfig()}. The return