Remove obsolete \setindexsubitem macros.
Massive migration to methoddesc and memberdesc.
Logical markup as needed.
A sprinkling of index entries for flavor.
diff --git a/Doc/lib/librgbimg.tex b/Doc/lib/librgbimg.tex
index 873a75f..73e4aae 100644
--- a/Doc/lib/librgbimg.tex
+++ b/Doc/lib/librgbimg.tex
@@ -5,7 +5,7 @@
The \module{rgbimg} module allows Python programs to access SGI imglib image
files (also known as \file{.rgb} files). The module is far from
complete, but is provided anyway since the functionality that there is
-is enough in some cases. Currently, colormap files are not supported.
+enough in some cases. Currently, colormap files are not supported.
The module defines the following variables and functions:
@@ -24,7 +24,7 @@
This function reads and decodes the image on the specified file, and
returns it as a Python string. The string has 4 byte RGBA pixels.
The bottom left pixel is the first in
-the string. This format is suitable to pass to \code{gl.lrectwrite},
+the string. This format is suitable to pass to \function{gl.lrectwrite()},
for instance.
\end{funcdesc}
@@ -34,7 +34,7 @@
\var{z} is 1 if the saved image should be 1 byte greyscale, 3 if the
saved image should be 3 byte RGB data, or 4 if the saved images should
be 4 byte RGBA data. The input data always contains 4 bytes per pixel.
-These are the formats returned by \code{gl.lrectread}.
+These are the formats returned by \function{gl.lrectread()}.
\end{funcdesc}
\begin{funcdesc}{ttob}{flag}