From fa67c39896487a3f6f382d8a38c3663ca25646af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Thu, 10 Apr 2014 13:55:01 +0200
Subject: Update information about compatibility

GNU tar now supports the 'ustar' format.
---
 lib/stdlib/doc/src/erl_tar.xml | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'lib/stdlib')

diff --git a/lib/stdlib/doc/src/erl_tar.xml b/lib/stdlib/doc/src/erl_tar.xml
index afa4196be1..ccf0f3901f 100644
--- a/lib/stdlib/doc/src/erl_tar.xml
+++ b/lib/stdlib/doc/src/erl_tar.xml
@@ -35,10 +35,11 @@
   <modulesummary>Unix 'tar' utility for reading and writing tar archives</modulesummary>
   <description>
     <p>The <c>erl_tar</c> module archives and extract files to and from
-      a tar file. The tar file format is the POSIX extended tar file format
-      specified in IEEE Std 1003.1 and ISO/IEC&nbsp;9945-1. That is the same
-      format as used by <c>tar</c> program on Solaris, but is not the same
-      as used by the GNU tar program.</p>
+      a tar file. <c>erl_tar</c> supports the <c>ustar</c> format
+      (IEEE Std 1003.1 and ISO/IEC&nbsp;9945-1). All modern <c>tar</c>
+      programs (including GNU tar) can read this format. To ensure that
+      that GNU tar produces a tar file that <c>erl_tar</c> can read,
+      give the <c>--format=ustar</c> option to GNU tar.</p>
     <p>By convention, the name of a tar file should end in "<c>.tar</c>".
       To abide to the convention, you'll need to add "<c>.tar</c>" yourself
       to the name.</p>
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