Merge branch 'master' of github.com:mailru/tarantool into debian

doc/user/connectors.xml

@@ -25,7 +25,7 @@
   <section>
     <title>Perl</title>
     <para>
-       Please refer to CPAN module <link xlink:href="http://search.cpan.org/search?query=Tarantool&mode=all">MR::Tarantool::Box</link>.
+       Please refer to CPAN module <link xlink:href='http://search.cpan.org/search?query=Tarantool&amp;mode=all'>MR::Tarantool::Box</link>.
     </para>
   </section>
 

doc/user/stored-programs.xml

@@ -229,11 +229,11 @@ pack: function
                     <link xlink:href="https://github.com/mailru/tarantool/blob/master/doc/box-protocol.txt">
                     <filename>doc/box-protocol.txt</filename></link>,
                     </member>
-                    <member><code>request</code> &mdash; a request packed in binary format</member>
+                    <member><code>request</code> &mdash; a request packed in binary format.</member>
                 </simplelist>
                 <bridgehead renderas="sect4">Returns</bridgehead>
                 This function returns zero or more tuples. In Lua, a
-                tuple is represented by
+                tuple is represented by a
                 <emphasis>userdata</emphasis> object of type
                 <code>box.tuple</code>. If a Lua procedure
                 is called from the administrative console, tuples
@@ -389,6 +389,18 @@ Note: the administrative console output must be YAML-compatible.
     </varlistentry>
 </variablelist>
 
+<variablelist>
+    <title>Package <code xml:id="box.tuple" xreflabel="box.tuple">box.tuple</code></title>
+    <para>The package contains no functions, but stands for
+    <code>box.tuple</code> userdata type. It is possible to access individual
+    tuple fields using an index, or iterate over all fields in a
+    tuple. Tuples are immutable.</para>
+    <varlistentry>
+        <term><emphasis role="lua"> </emphasis></term>
+        <listitem><simpara></simpara></listitem>
+    </varlistentry>
+</variablelist>
+
 <variablelist>
     <title>Packages <code>box.space</code>  and <code>box.index</code></title>
     <para>These packages combine access to space and index