Update to 1.12.3.

@@ -1,6 +1,6 @@
-/*      $Id: predefs.in,v 1.3 2011/07/31 11:36:49 schwarze Exp $ */
+/*      $Id: predefs.in,v 1.4 2012/07/18 10:39:19 schwarze Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

@@ -24,11 +24,11 @@
  * XXX - C-escape strings!
  * XXX - update PREDEF_MAX in roff.c if adding more!
  */
 
 PREDEF("Am", "&")
-PREDEF("Ba", "|")
+PREDEF("Ba", "\\fR|\\fP")
 PREDEF("Ge", "\\(>=")
 PREDEF("Gt", ">")
 PREDEF("If", "infinity")
 PREDEF("Le", "\\(<=")
 PREDEF("Lq", "\\(lq")