+++ /dev/null
---- a/src/idn.c
-+++ b/src/idn.c
-@@ -169,7 +169,7 @@ main (int argc, char *argv[])
- (args_info.idna_to_unicode_given ? 1 : 0) +
- (args_info.nfkc_given ? 1 : 0) != 1)
- {
-- error (0, 0,
-+ error (0, 0, "%s",
- _("only one of -s, -e, -d, -a, -u or -n can be specified"));
- usage (EXIT_FAILURE);
- }
-@@ -183,7 +183,7 @@ main (int argc, char *argv[])
-
- if (!args_info.quiet_given
- && args_info.inputs_num == 0 && isatty (fileno (stdin)))
-- fprintf (stderr, _("Type each input string on a line by itself, "
-+ fprintf (stderr, "%s", _("Type each input string on a line by itself, "
- "terminated by a newline character.\n"));
-
- do
-@@ -199,7 +199,7 @@ main (int argc, char *argv[])
- if (feof (stdin))
- break;
-
-- error (EXIT_FAILURE, errno, _("input error"));
-+ error (EXIT_FAILURE, errno, "%s", _("input error"));
- }
-
- if (strlen (line) > 0)
-@@ -217,7 +217,7 @@ main (int argc, char *argv[])
- if (!q)
- {
- free (p);
-- error (EXIT_FAILURE, 0,
-+ error (EXIT_FAILURE, 0, "%s",
- _("could not convert from UTF-8 to UCS-4"));
- }
-
-@@ -242,7 +242,7 @@ main (int argc, char *argv[])
- if (!q)
- {
- free (r);
-- error (EXIT_FAILURE, 0,
-+ error (EXIT_FAILURE, 0, "%s",
- _("could not convert from UTF-8 to UCS-4"));
- }
-
-@@ -279,7 +279,7 @@ main (int argc, char *argv[])
- q = stringprep_utf8_to_ucs4 (p, -1, &len);
- free (p);
- if (!q)
-- error (EXIT_FAILURE, 0,
-+ error (EXIT_FAILURE, 0, "%s",
- _("could not convert from UTF-8 to UCS-4"));
-
- if (args_info.debug_given)
-@@ -338,7 +338,7 @@ main (int argc, char *argv[])
- r = stringprep_ucs4_to_utf8 (q, -1, NULL, NULL);
- free (q);
- if (!r)
-- error (EXIT_FAILURE, 0,
-+ error (EXIT_FAILURE, 0, "%s",
- _("could not convert from UCS-4 to UTF-8"));
-
- p = stringprep_utf8_to_locale (r);
-@@ -362,7 +362,7 @@ main (int argc, char *argv[])
- q = stringprep_utf8_to_ucs4 (p, -1, NULL);
- free (p);
- if (!q)
-- error (EXIT_FAILURE, 0,
-+ error (EXIT_FAILURE, 0, "%s",
- _("could not convert from UCS-4 to UTF-8"));
-
- if (args_info.debug_given)
-@@ -440,7 +440,7 @@ main (int argc, char *argv[])
- if (!q)
- {
- free (p);
-- error (EXIT_FAILURE, 0,
-+ error (EXIT_FAILURE, 0, "%s",
- _("could not convert from UCS-4 to UTF-8"));
- }
-
-@@ -496,7 +496,7 @@ main (int argc, char *argv[])
- r = stringprep_ucs4_to_utf8 (q, -1, NULL, NULL);
- free (q);
- if (!r)
-- error (EXIT_FAILURE, 0,
-+ error (EXIT_FAILURE, 0, "%s",
- _("could not convert from UTF-8 to UCS-4"));
-
- p = stringprep_utf8_to_locale (r);
-@@ -525,7 +525,7 @@ main (int argc, char *argv[])
- if (!q)
- {
- free (p);
-- error (EXIT_FAILURE, 0,
-+ error (EXIT_FAILURE, 0, "%s",
- _("could not convert from UTF-8 to UCS-4"));
- }
-
-@@ -539,7 +539,7 @@ main (int argc, char *argv[])
- r = stringprep_utf8_nfkc_normalize (p, -1);
- free (p);
- if (!r)
-- error (EXIT_FAILURE, 0, _("could not do NFKC normalization"));
-+ error (EXIT_FAILURE, 0, "%s", _("could not do NFKC normalization"));
-
- if (args_info.debug_given)
- {
-@@ -549,7 +549,7 @@ main (int argc, char *argv[])
- if (!q)
- {
- free (r);
-- error (EXIT_FAILURE, 0,
-+ error (EXIT_FAILURE, 0, "%s",
- _("could not convert from UTF-8 to UCS-4"));
- }
-