Lots of small corrections by Andrew Kuchling (plus all new rotor docs)
diff --git a/Doc/lib/libarray.tex b/Doc/lib/libarray.tex
index 21122f0..034ac32 100644
--- a/Doc/lib/libarray.tex
+++ b/Doc/lib/libarray.tex
@@ -20,14 +20,14 @@
\end{tableiii}
The actual representation of values is determined by the machine
-architecture (strictly spoken, by the C implementation). The actual
+architecture (strictly speaking, by the C implementation). The actual
size can be accessed through the \var{typecode} attribute.
The module defines the following function:
\renewcommand{\indexsubitem}{(in module array)}
-\begin{funcdesc}{array}{typecode\, initializer}
+\begin{funcdesc}{array}{typecode\optional{\, initializer}}
Return a new array whose items are restricted by \var{typecode}, and
initialized from the optional \var{initializer} value, which must be a
list or a string. The list or string is passed to the new array's
@@ -51,7 +51,7 @@
\begin{funcdesc}{byteswap}{x}
``Byteswap'' all items of the array. This is only supported for
-integer values. It is useful when reading data ffrom a file written
+integer values. It is useful when reading data from a file written
on a machine with a different byte order.
\end{funcdesc}