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/liburlparse.tex b/Doc/liburlparse.tex
index 32d88ee..3017a16 100644
--- a/Doc/liburlparse.tex
+++ b/Doc/liburlparse.tex
@@ -61,7 +61,7 @@
an empty query (the draft states that these are equivalent).
\end{funcdesc}
-\begin{funcdesc}{urljoin}{base\, url\optional{\, allow_fragments}}
+\begin{funcdesc}{urljoin}{base, url\optional{, allow_fragments}}
Construct a full (``absolute'') URL by combining a ``base URL''
(\var{base}) with a ``relative URL'' (\var{url}). Informally, this
uses components of the base URL, in particular the addressing scheme,