maint: avoid "magic number exit".

[bison.git] / src / parse-gram.y

diff --git a/src/parse-gram.y b/src/parse-gram.y
index 19c2f5b06ecc8f7851a7d3a161cea8221ef6fcb4..9e5bbe61c3e737c6b79b03cd34c64da5c2dd9f2b 100644 (file)
--- a/src/parse-gram.y
+++ b/src/parse-gram.y
@@ -608,7 +608,7 @@ rhs:
     { grammar_current_rule_symbol_append ($2, @2, $3); }
 | rhs "{...}" named_ref.opt
     { grammar_current_rule_action_append ($2, @2, $3, false); }
-| rhs "%?{...}" 
+| rhs "%?{...}"
     { grammar_current_rule_action_append ($2, @2, NULL, true); }
 | rhs "%prec" symbol
     { grammar_current_rule_prec_set ($3, @3); }
@@ -729,7 +729,7 @@ lloc_default (YYLTYPE const *rhs, int n)
   loc.start = rhs[n].end;
   loc.end = rhs[n].end;
 
-  /* Ignore empty nonterminals the start of the the right-hand side.
+  /* Ignore empty nonterminals the start of the right-hand side.
      Do not bother to ignore them at the end of the right-hand side,
      since empty nonterminals have the same end as their predecessors.  */
   for (i = 1; i <= n; i++)
@@ -804,7 +804,7 @@ version_check (location const *loc, char const *version)
     {
       complain_at (*loc, "require bison %s, but have %s",
                    version, PACKAGE_VERSION);
-      exit (63);
+      exit (EX_CONFIG);
     }
 }