-#define _(x) x
+// -*- mode: cpp; mode: fold -*-
+// $Id: apti18n.h.in,v 1.6 2003/01/11 07:18:18 jgg Exp $
+/* Internationalization macros for apt. This header should be included last
+ in each C file. */
+
+// Set by autoconf
+#undef USE_NLS
+
+#ifdef USE_NLS
+// apt will use the gettext implementation of the C library
+#include <libintl.h>
+#include <locale.h>
+# ifdef APT_DOMAIN
+# define _(x) dgettext(APT_DOMAIN,x)
+# define P_(msg,plural,n) dngettext(APT_DOMAIN,msg,plural,n)
+# else
+# define _(x) gettext(x)
+# define P_(msg,plural,n) ngettext(msg,plural,n)
+# endif
+# define N_(x) x
+#else
+// apt will not use any gettext
+# define setlocale(a, b)
+# define textdomain(a)
+# define bindtextdomain(a, b)
+# define _(x) x
+# define P_(msg,plural,n) (n == 1 ? msg : plural)
+# define N_(x) x
+# define dgettext(d, m) m
+#endif