java: promote YYEOF rather that Lexer.EOF

* doc/bison.texi: here.
* data/skeletons/lalr1.java: Use YYEOF.

TODO

@@ -24,9 +24,6 @@ You can explicitly specify the numeric code for a token type...
 
 The token numbered as 0.
 
-** Java: EOF
-We should be able to redefine EOF like we do in C.
-
 ** Java: calc.at
 Stop hard-coding "Calc".  Adjust local.at (look for FIXME).
 

data/skeletons/lalr1.java

@@ -178,10 +178,10 @@ import java.text.MessageFormat;
    * parser <tt>]b4_parser_class[</tt>.
    */
   public interface Lexer {
-    /** Token returned by the scanner to signal the end of its input.  */
-    public static final int EOF = 0;
-
 ]b4_token_enums[
+    /** Deprecated, use b4_symbol(0, id) instead.  */
+    public static final int EOF = ]b4_symbol(0, id)[;
+
 ]b4_locations_if([[
     /**
      * Method to retrieve the beginning position of the last scanned token.
@@ -692,10 +692,10 @@ b4_dollar_popdef[]dnl
             /* If just tried and failed to reuse lookahead token after an
                error, discard it.  */
 
-            if (yychar <= Lexer.EOF)
+            if (yychar <= Lexer.]b4_symbol(0, id)[)
               {
                 /* Return failure if at end of input.  */
-                if (yychar == Lexer.EOF)
+                if (yychar == Lexer.]b4_symbol(0, id)[)
                   ]b4_push_if([{label = YYABORT; break;}], [return false;])[
               }
             else

doc/bison.texi

@@ -13208,7 +13208,7 @@ with a scanner: the scanner may be defined by @code{%code lexer}, or
 defined elsewhere.  In either case, the scanner has to implement the
 @code{Lexer} inner interface of the parser class.  This interface also
 contain constants for all user-defined token names and the predefined
-@code{EOF} token.
+@code{YYEOF} token.
 
 In the first case, the body of the scanner class is placed in
 @code{%code lexer} blocks.  If you want to pass parameters from the