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/libcgi.tex b/Doc/lib/libcgi.tex
index fa2b6b7..55abd10 100644
--- a/Doc/lib/libcgi.tex
+++ b/Doc/lib/libcgi.tex
@@ -191,7 +191,7 @@
 \mimetype{application/x-www-form-urlencoded}).
 \end{funcdesc}
 
-\begin{funcdesc}{parse_multipart}{fp\, pdict}
+\begin{funcdesc}{parse_multipart}{fp, pdict}
 Parse input of type \mimetype{multipart/form-data} (for 
 file uploads).  Arguments are \var{fp} for the input file and
 \var{pdict} for the dictionary containing other parameters of
@@ -236,7 +236,7 @@
 HTML.
 \end{funcdesc}
 
-\begin{funcdesc}{escape}{s\optional{\, quote}}
+\begin{funcdesc}{escape}{s\optional{, quote}}
 Convert the characters
 \character{\&}, \character{<} and \character{>} in string \var{s} to
 HTML-safe sequences.  Use this if you need to display text that might