Change "\," to just "," in function signatures.  This is easier to maintain,
works better with LaTeX2HTML, and allows some simplification of the python.sty
macros.
diff --git a/Doc/lib/libquopri.tex b/Doc/lib/libquopri.tex
index 4ad0c0f..e379e4a 100644
--- a/Doc/lib/libquopri.tex
+++ b/Doc/lib/libquopri.tex
@@ -13,7 +13,7 @@
 
 \setindexsubitem{(in module quopri)}
 
-\begin{funcdesc}{decode}{input\, output}
+\begin{funcdesc}{decode}{input, output}
 Decode the contents of the \var{input} file and write the resulting
 decoded binary data to the \var{output} file.
 \var{input} and \var{output} must either be file objects or objects that
@@ -21,7 +21,7 @@
 \code{\var{input}.read()} returns an empty string.
 \end{funcdesc}
 
-\begin{funcdesc}{encode}{input\, output\, quotetabs}
+\begin{funcdesc}{encode}{input, output, quotetabs}
 Encode the contents of the \var{input} file and write the resulting
 quoted-printable data to the \var{output} file.
 \var{input} and \var{output} must either be file objects or objects that