Oops, ".pythonrc.py" should *always* be marked with \file{}; one occurrance
escaped with \var{}.
diff --git a/Doc/libuser.tex b/Doc/libuser.tex
index 778ca7e..39daf97 100644
--- a/Doc/libuser.tex
+++ b/Doc/libuser.tex
@@ -35,7 +35,7 @@
 
 A suggestion for programmers who wish to use this mechanism: a simple
 way to let users specify options for your package is to have them
-define variables in their \var{.pythonrc.py} file that you test in
+define variables in their \file{.pythonrc.py} file that you test in
 your module.  For example, a module \code{spam} that has a verbosity
 level can look for a variable \code{user.spam_verbose}, as follows: