doc: improve html and pdf rendering

[bison.git] / src / gram.c

diff --git a/src/gram.c b/src/gram.c
index c0177df08bb2e36481b6df891f99d9ee10f654ab..3eb6c0678fd7ffb6ad2f0b01ad1d466894e9601e 100644 (file)
--- a/src/gram.c
+++ b/src/gram.c
@@ -1,6 +1,6 @@
 /* Allocate input grammar variables for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 2001-2003, 2005-2013 Free Software
+   Copyright (C) 1984, 1986, 1989, 2001-2003, 2005-2015 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -93,16 +93,14 @@ rule_rhs_length (rule const *r)
 void
 rule_rhs_print (rule const *r, FILE *out)
 {
-  if (*r->rhs >= 0)
+  if (0 <= *r->rhs)
     {
       item_number *rp;
       for (rp = r->rhs; *rp >= 0; rp++)
         fprintf (out, " %s", symbols[*rp]->tag);
     }
   else
-    {
-      fprintf (out, " /* %s */", _("empty"));
-    }
+    fputs (" %empty", out);
 }
 
 static void