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/libsyslog.tex b/Doc/lib/libsyslog.tex
index 8348e9c..5d2b6a9 100644
--- a/Doc/lib/libsyslog.tex
+++ b/Doc/lib/libsyslog.tex
@@ -10,7 +10,7 @@
 
 \setindexsubitem{(in module syslog)}
 
-\begin{funcdesc}{syslog}{\optional{priority\,} message}
+\begin{funcdesc}{syslog}{\optional{priority,} message}
 Send the string \var{message} to the system logger.
 A trailing newline is added if necessary.
 Each message is tagged with a priority composed of a \var{facility} and