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/libimp.tex b/Doc/lib/libimp.tex
index 0d0bccc..5664c81 100644
--- a/Doc/lib/libimp.tex
+++ b/Doc/lib/libimp.tex
@@ -188,7 +188,7 @@
support it.)
\end{funcdesc}
-\begin{funcdesc}{load_source}{name\, pathname\, file}
+\begin{funcdesc}{load_source}{name, pathname, file}
Load and initialize a module implemented as a Python source file and
return its module object. If the module was already initialized, it
will be initialized \emph{again}. The \var{name} argument is used to