Lots of small corrections by Andrew Kuchling (plus all new rotor docs)
diff --git a/Doc/libstdwin.tex b/Doc/libstdwin.tex
index 12771c9..df37707 100644
--- a/Doc/libstdwin.tex
+++ b/Doc/libstdwin.tex
@@ -102,7 +102,7 @@
 \begin{funcdesc}{fetchcolor}{colorname}
 Return the pixel value corresponding to the given color name.
 Return the default foreground color for unknown color names.
-Hint: the following code tests wheter you are on a machine that
+Hint: the following code tests whether you are on a machine that
 supports more than two colors:
 \bcode\begin{verbatim}
 if stdwin.fetchcolor('black') <> \
@@ -372,7 +372,7 @@
 \var{i}.)
 Return true if it succeeds.
 If  succeeds, the window ``owns'' the selection until
-(a) another applications takes ownership of the selection; or
+(a) another application takes ownership of the selection; or
 (b) the window is deleted; or
 (c) the application clears ownership by calling
 \code{stdwin.resetselection(\var{i})}.
@@ -571,7 +571,6 @@
 region, the set of pixels drawn is the intersection of the clipping
 region and the set of pixels that would be drawn by the same operation
 in the absence of a clipping region.
-clipping region 
 \end{funcdesc}
 
 \begin{funcdesc}{noclip}{}