From: Ondřej Surý <ondrej@sury.org>
Date: Tue, 6 Nov 2018 04:45:13 +0000 (+0700)
Subject: Change the dig documentation
X-Git-Tag: v9.13.4~53^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7697923eab96870f9dc173e6f34344f726ae112b;p=thirdparty%2Fbind9.git

Change the dig documentation
---

diff --git a/bin/dig/dig.c b/bin/dig/dig.c
index 0649c089fe8..47d18ae331b 100644
--- a/bin/dig/dig.c
+++ b/bin/dig/dig.c
@@ -192,8 +192,10 @@ help(void) {
 "                 +[no]fail           (Don't try next server on SERVFAIL)\n"
 "                 +[no]header-only    (Send query without a question section)\n"
 "                 +[no]identify       (ID responders in short answers)\n"
-"                 +[no]idnin          (Parse IDN names)\n"
-"                 +[no]idnout         (Convert IDN response)\n"
+#ifdef HAVE_LIBIDN2
+"                 +[no]idnin          (Parse IDN names [default=on on tty])\n"
+"                 +[no]idnout         (Convert IDN response [default=on on tty])\n"
+#endif
 "                 +[no]ignore         (Don't revert to TCP for TC responses.)\n"
 "                 +[no]keepalive      (Request EDNS TCP keepalive)\n"
 "                 +[no]keepopen       (Keep the TCP socket open between queries)\n"
diff --git a/bin/dig/dig.docbook b/bin/dig/dig.docbook
index 05fccbe4dce..aa1bd3a38cb 100644
--- a/bin/dig/dig.docbook
+++ b/bin/dig/dig.docbook
@@ -777,7 +777,13 @@
 	    <para>
 	      Process [do not process] IDN domain names on input.
 	      This requires IDN SUPPORT to have been enabled at
-	      compile time.  The default is to process IDN input.
+	      compile time.
+	    </para>
+	    <para>
+	      The default is to process IDN input when standard output
+	      is a tty.  The IDN processing on input is disabled when
+	      dig output is redirected to files, pipes, and other
+	      non-tty file descriptors.
 	    </para>
 	  </listitem>
 	</varlistentry>
@@ -788,7 +794,13 @@
 	    <para>
 	      Convert [do not convert] puny code on output.
 	      This requires IDN SUPPORT to have been enabled at
-	      compile time.  The default is to convert output.
+	      compile time.
+	    </para>
+	    <para>
+	      The default is to process puny code on output when
+	      standard output is a tty.  The puny code processing on
+	      output is disabled when dig output is redirected to
+	      files, pipes, and other non-tty file descriptors.
 	    </para>
 	  </listitem>
 	</varlistentry>