fixed lbrace, rbrace;

--- a/doc-src/railsetup.sty	Thu Aug 17 10:29:23 2000 +0200
+++ b/doc-src/railsetup.sty	Thu Aug 17 10:29:50 2000 +0200
@@ -2,8 +2,8 @@
 \railalias{percent}{\%}
 \railalias{ppercent}{\%\%}
 \railalias{underscore}{\_}
-\railalias{lbrace}{\{}
-\railalias{rbrace}{\}}
+\railalias{lbrace}{\texttt{\ttlbrace}}
+\railalias{rbrace}{\texttt{\ttrbrace}}
 \railalias{atsign}{{\at}}
 
 \setlength\railextra{3.6ex}