Nit adjustments to remove warnings when processed with partparse.py.
diff --git a/Doc/lib/libcode.tex b/Doc/lib/libcode.tex
index dd62173..a2d77fe 100644
--- a/Doc/lib/libcode.tex
+++ b/Doc/lib/libcode.tex
@@ -9,8 +9,7 @@
\renewcommand{\indexsubitem}{(in module code)}
-\begin{funcdesc}{compile_command}{source\,
-\optional{filename\optional{\, symbol}}}
+\begin{funcdesc}{compile_command}{source, \optional{filename\optional{, symbol}}}
This function is useful for programs that want to emulate Python's
interpreter main loop (a.k.a. the read-eval-print loop). The tricky
part is to determine when the user has entered an incomplete command