Lots of small corrections by Andrew Kuchling (plus all new rotor docs)
diff --git a/Doc/lib/libimageop.tex b/Doc/lib/libimageop.tex
index c1cdac4..4481e61 100644
--- a/Doc/lib/libimageop.tex
+++ b/Doc/lib/libimageop.tex
@@ -19,7 +19,7 @@
\begin{funcdesc}{crop}{image\, psize\, width\, height\, x0\, y0\, x1\, y1}
This function takes the image in \code{image}, which should by
\code{width} by \code{height} in size and consist of pixels of
-\code{psize} bytes, and returns the selected part of that image. \code{X0},
+\code{psize} bytes, and returns the selected part of that image. \code{x0},
\code{y0}, \code{x1} and \code{y1} are like the \code{lrectread}
parameters, i.e. the boundary is included in the new image.
The new boundaries need not be inside the picture. Pixels that fall