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<div class="section" id="changes-in-jansson">
<h1>Changes in Jansson<a class="headerlink" href="#changes-in-jansson" title="Permalink to this headline">¶</a></h1>
<div class="section" id="version-2-11">
<h2>Version 2.11<a class="headerlink" href="#version-2-11" title="Permalink to this headline">¶</a></h2>
<p>Released 2018-02-09</p>
<ul class="simple">
<li>New features:<ul>
<li>Add <a class="reference internal" href="apiref.html#c.json_pack" title="json_pack"><code class="xref c c-func docutils literal"><span class="pre">json_pack()</span></code></a> format specifiers s*, o* and O* for values that
can be omitted if null (#339).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_error_code" title="json_error_code"><code class="xref c c-func docutils literal"><span class="pre">json_error_code()</span></code></a> to retrieve numeric error codes (#365, #380,
#381).</li>
<li>Enable thread safety for <code class="xref c c-func docutils literal"><span class="pre">json_dump()</span></code> on all systems. Enable thread
safe <a class="reference internal" href="apiref.html#c.json_decref" title="json_decref"><code class="xref c c-func docutils literal"><span class="pre">json_decref()</span></code></a> and <a class="reference internal" href="apiref.html#c.json_incref" title="json_incref"><code class="xref c c-func docutils literal"><span class="pre">json_incref()</span></code></a> for modern compilers (#389).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_sprintf" title="json_sprintf"><code class="xref c c-func docutils literal"><span class="pre">json_sprintf()</span></code></a> and <a class="reference internal" href="apiref.html#c.json_vsprintf" title="json_vsprintf"><code class="xref c c-func docutils literal"><span class="pre">json_vsprintf()</span></code></a> (#393).</li>
</ul>
</li>
<li>Bug Fixes:<ul>
<li>Fix incorrect report of success from <a class="reference internal" href="apiref.html#c.json_dump_file" title="json_dump_file"><code class="xref c c-func docutils literal"><span class="pre">json_dump_file()</span></code></a> when an error
is returned by <code class="xref c c-func docutils literal"><span class="pre">fclose()</span></code> (#359).</li>
<li>Make json_equal() const-correct (#344).</li>
<li>Fix incomplete stealing of references by <a class="reference internal" href="apiref.html#c.json_pack" title="json_pack"><code class="xref c c-func docutils literal"><span class="pre">json_pack()</span></code></a> (#374).</li>
</ul>
</li>
<li>Build:<ul>
<li>Work around gcc’s -Wimplicit-fallthrough.</li>
<li>Fix CMake detection of <code class="xref c c-func docutils literal"><span class="pre">sys/types.h()</span></code> header (#375).</li>
<li>Fix <code class="xref c c-func docutils literal"><span class="pre">jansson.pc()</span></code> generated by CMake to be more consistent with the one
generated using GNU Autotools (#368).</li>
</ul>
</li>
<li>Other:<ul>
<li>Miscellaneous documentation fixes (#356, #378, #395).</li>
<li>Remove unnecessary reference actions from parsers (#377).</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-10">
<h2>Version 2.10<a class="headerlink" href="#version-2-10" title="Permalink to this headline">¶</a></h2>
<p>Released 2017-03-02</p>
<ul class="simple">
<li>New features:<ul>
<li>Add JSON_EMBED encoding flag allowing arrays and objects to be encoded
into existing streams (#329).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_dumpb" title="json_dumpb"><code class="xref c c-func docutils literal"><span class="pre">json_dumpb()</span></code></a> function for dumping to a pre-allocated buffer (#328).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_dumpfd" title="json_dumpfd"><code class="xref c c-func docutils literal"><span class="pre">json_dumpfd()</span></code></a> and <a class="reference internal" href="apiref.html#c.json_loadfd" title="json_loadfd"><code class="xref c c-func docutils literal"><span class="pre">json_loadfd()</span></code></a> functions for dumping to streaming
file descriptors (#328).</li>
<li>Add support for parsing buffers larger than 2GB (#309).</li>
</ul>
</li>
<li>Build:<ul>
<li>Fix CMake build when LONG_LONG_INT is defined as “” (#321)</li>
</ul>
</li>
<li>Other:<ul>
<li>Internal code cleanup (#311, #314)</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-9">
<h2>Version 2.9<a class="headerlink" href="#version-2-9" title="Permalink to this headline">¶</a></h2>
<p>Released 2016-09-18</p>
<ul class="simple">
<li>New features:<ul>
<li>Add <code class="docutils literal"><span class="pre">json_auto_t</span></code> to automatically decref a value that goes out
of scope. Available only on GCC and Clang. (#301)</li>
</ul>
</li>
<li>Build:<ul>
<li>Fix CMake build (at least on Linux) by removing conflicting
jansson_config.h from the distribution (#306)</li>
<li>Change CMake install target generation to be optional (#305)</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Small documentation fixes.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-8">
<h2>Version 2.8<a class="headerlink" href="#version-2-8" title="Permalink to this headline">¶</a></h2>
<p>Released 2016-08-30</p>
<ul class="simple">
<li>New features:<ul>
<li>Always preserve insertion order of object items.
<a class="reference internal" href="apiref.html#c.json_object_iter" title="json_object_iter"><code class="xref c c-func docutils literal"><span class="pre">json_object_iter()</span></code></a> and friends, <a class="reference internal" href="apiref.html#c.json_object_foreach" title="json_object_foreach"><code class="xref c c-func docutils literal"><span class="pre">json_object_foreach()</span></code></a> and
<a class="reference internal" href="apiref.html#c.json_dumps" title="json_dumps"><code class="xref c c-func docutils literal"><span class="pre">json_dumps()</span></code></a> and friends now always work in the insertion order of
object items (#293).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_object_foreach_safe" title="json_object_foreach_safe"><code class="xref c c-func docutils literal"><span class="pre">json_object_foreach_safe()</span></code></a> macro that allows
<a class="reference internal" href="apiref.html#c.json_object_del" title="json_object_del"><code class="xref c c-func docutils literal"><span class="pre">json_object_del()</span></code></a> calls during iteration (#230).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_get_alloc_funcs" title="json_get_alloc_funcs"><code class="xref c c-func docutils literal"><span class="pre">json_get_alloc_funcs()</span></code></a> to allow reading the allocation
functions set by <a class="reference internal" href="apiref.html#c.json_set_alloc_funcs" title="json_set_alloc_funcs"><code class="xref c c-func docutils literal"><span class="pre">json_set_alloc_funcs()</span></code></a> (#262, #264).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_pack" title="json_pack"><code class="xref c c-func docutils literal"><span class="pre">json_pack()</span></code></a> format specifiers s?, o? and O? for values that
can be null (#261, #270).</li>
</ul>
</li>
<li>Bug fixes:<ul>
<li>Fix a crash when parsing inputs consisting of very deeply nested
arrays or objects (#282, #284).</li>
<li>Never convert numbers to integers in the parser when
JSON_DECODE_INT_AS_REAL is set. This fixes error messages for
overflowing numbers when JSON_DECODE_INT_AS_REAL is set (#212).</li>
<li>Fix a use-after-free in <a class="reference internal" href="apiref.html#c.json_pack" title="json_pack"><code class="xref c c-func docutils literal"><span class="pre">json_pack()</span></code></a> error handling.</li>
<li>Fix subnormal number parsing on mingw32.</li>
<li>Handle out-of-memory situations gracefully in the hashtable
implementation (#298).</li>
</ul>
</li>
<li>Build:<ul>
<li>Fix build with CMake on all versions of Visual Studio up to 2015
(#262, #289).</li>
<li>Fix pkgconfig libdir when using CMake (#268).</li>
<li>Fix CMake config for static CRT builds on Windows (#206).</li>
<li>Fix warnings on LLVM 6.0 targeting iOS arm64 (#208).</li>
<li>Add coverlls.io support via Travis for a nice test coverage badge
(#211).</li>
<li>Don’t expect <code class="docutils literal"><span class="pre">jansson_config.h</span></code> to be in the compiler’s include
path (#209).</li>
<li>Add a build-time option to set initial hashtable size (#213).</li>
<li>Use snprintf and strncpy in place of sprintf and strcpy to silence
linker warnings on OpenBSD (#233).</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Fix various typos in documentation, and a broken link (#258).</li>
<li>Add an example program in <code class="docutils literal"><span class="pre">examples/</span></code> (#214, #217).</li>
<li>Fix building of documentation man pages (#207).</li>
<li>Document the fact that copying objects doesn’t preserve the
insertion order of keys (#237).</li>
</ul>
</li>
<li>Tests:<ul>
<li>Don’t use the nonstandard __FUNCTION__ macro in tests.</li>
<li>Use expr instead of $((…)) in shell scripts for Solaris 10
compatibility.</li>
<li>Disable Visual Studio warning C4756 when triggered deliberately in
tests (#216).</li>
<li>Other minor fixes (#221, #248).</li>
</ul>
</li>
<li>Other changes:<ul>
<li>List all unrecognized object keys when strict unpacking fails
(#263).</li>
<li>Alter the order of the members of the hashtable_pair struct for
easier debugging.</li>
<li>Minor performance improvement to <code class="xref c c-func docutils literal"><span class="pre">json_dump()</span></code> and friends (#234).</li>
<li>Minor style fixes (#255, #257).</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-7">
<h2>Version 2.7<a class="headerlink" href="#version-2-7" title="Permalink to this headline">¶</a></h2>
<p>Released 2014-10-02</p>
<ul class="simple">
<li>New features:<ul>
<li><a class="reference internal" href="apiref.html#c.json_pack" title="json_pack"><code class="xref c c-func docutils literal"><span class="pre">json_pack()</span></code></a> and friends: Add format specifiers <code class="docutils literal"><span class="pre">s%</span></code> and <code class="docutils literal"><span class="pre">+%</span></code>
for a size_t string length (#141).</li>
<li><a class="reference internal" href="apiref.html#c.json_unpack" title="json_unpack"><code class="xref c c-func docutils literal"><span class="pre">json_unpack()</span></code></a> and friends: Add format specifier <code class="docutils literal"><span class="pre">s%</span></code> for
unpacking the string length along with the string itself (#141).</li>
<li>Add length-aware string constructors <a class="reference internal" href="apiref.html#c.json_stringn" title="json_stringn"><code class="xref c c-func docutils literal"><span class="pre">json_stringn()</span></code></a> and
<a class="reference internal" href="apiref.html#c.json_stringn_nocheck" title="json_stringn_nocheck"><code class="xref c c-func docutils literal"><span class="pre">json_stringn_nocheck()</span></code></a>, length-aware string mutators
<a class="reference internal" href="apiref.html#c.json_string_setn" title="json_string_setn"><code class="xref c c-func docutils literal"><span class="pre">json_string_setn()</span></code></a> and <a class="reference internal" href="apiref.html#c.json_string_setn_nocheck" title="json_string_setn_nocheck"><code class="xref c c-func docutils literal"><span class="pre">json_string_setn_nocheck()</span></code></a>, and a
function for getting string’s length <a class="reference internal" href="apiref.html#c.json_string_length" title="json_string_length"><code class="xref c c-func docutils literal"><span class="pre">json_string_length()</span></code></a> (#141,
#143).</li>
<li>Support <code class="docutils literal"><span class="pre">\u0000</span></code> escapes in the decoder. The support can be
enabled by using the <code class="docutils literal"><span class="pre">JSON_ALLOW_NUL</span></code> decoding flag (#141).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_boolean_value" title="json_boolean_value"><code class="xref c c-func docutils literal"><span class="pre">json_boolean_value()</span></code></a> as an alias for <a class="reference internal" href="apiref.html#c.json_is_true" title="json_is_true"><code class="xref c c-func docutils literal"><span class="pre">json_is_true()</span></code></a>
(#146).</li>
<li>Add JSON_REAL_PRECISION encoding flag/macro for controlling real
number precision (#178).</li>
<li>Define the maximum indentation as JSON_MAX_INDENT (#191).</li>
</ul>
</li>
<li>Bug fixes:<ul>
<li>Some malformed <code class="docutils literal"><span class="pre">\uNNNN</span></code> escapes could crash the decoder with an
assertion failure.</li>
<li>Avoid integer overflows with very long strings in UTF-8 decoder and
hashtable.</li>
<li>Check for <em>NULL</em> key in <a class="reference internal" href="apiref.html#c.json_object_get" title="json_object_get"><code class="xref c c-func docutils literal"><span class="pre">json_object_get()</span></code></a> and
<a class="reference internal" href="apiref.html#c.json_object_del" title="json_object_del"><code class="xref c c-func docutils literal"><span class="pre">json_object_del()</span></code></a> (#151).</li>
<li>Enhance hashtable seeding on Windows (#162).</li>
<li><a class="reference internal" href="apiref.html#c.json_unpack" title="json_unpack"><code class="xref c c-func docutils literal"><span class="pre">json_unpack()</span></code></a>: Allow mixing JSON_STRICT with optional keys
(#162, #163).</li>
<li>Fix int/int32 mismatch (#142).</li>
<li>Parse subnormal numbers correctly (#202).</li>
</ul>
</li>
<li>Build:<ul>
<li>Remove VS2010 build files. CMake should be used on Windows instead
(#165).</li>
<li>Fix CMake build flags for MinGW (#193).</li>
<li>Add CMake config files for find_package. Rename config.h to
jansson_private_config.h (#157, #159).</li>
<li>Make Valgrind checks work with CMake (#160).</li>
<li>Fix feature checks to use correct __ATOMIC flags.</li>
<li>Fix CMake checks for uint16_t and uint8_t support (#177).</li>
<li>Make Jansson build on SmartOS/Solaris (#171).</li>
<li>Work around a GCC bug on Solaris (#175).</li>
<li>Fix autoreconf on Debian (#182).</li>
<li>Don’t use GNU make specific export for global AM_CFLAGS (#203,
#204).</li>
<li>Fix building on Android using the supplied Android.mk (#166,
#174).</li>
<li>Android.mk: Add -DHAVE_STDINT_H to LOCAL_CFLAGS (#200).</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Document JANSSON_BUILD_SHARED_LIBS CMake option (#187).</li>
</ul>
</li>
<li>Tests:<ul>
<li>Close file handles correctly (#198).</li>
</ul>
</li>
<li>Other changes:<ul>
<li><code class="docutils literal"><span class="pre">\uNNNN</span></code> escapes are now encoded in upper case for better
readability.</li>
<li>Enable usage of AddressSanitizer (#180).</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-6">
<h2>Version 2.6<a class="headerlink" href="#version-2-6" title="Permalink to this headline">¶</a></h2>
<p>Released 2014-02-11</p>
<ul class="simple">
<li>Security:<ul>
<li>CVE-2013-6401: The hash function used by the hashtable
implementation has been changed, and is automatically seeded with
random data when the first JSON object is created. This prevents
an attacker from causing large JSON objects with specially crafted
keys perform poorly.</li>
</ul>
</li>
<li>New features:<ul>
<li><a class="reference internal" href="apiref.html#c.json_object_seed" title="json_object_seed"><code class="xref c c-func docutils literal"><span class="pre">json_object_seed()</span></code></a>: Set the seed value of the hash function.</li>
</ul>
</li>
<li>Bug fixes:<ul>
<li>Include CMake specific files in the release tarball.</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Fix tutorial source to send a User-Agent header, which is now
required by the GitHub API.</li>
<li>Set all memory to zero in secure_free() example.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-5">
<h2>Version 2.5<a class="headerlink" href="#version-2-5" title="Permalink to this headline">¶</a></h2>
<p>Released 2013-09-19</p>
<ul class="simple">
<li>New features:<ul>
<li><a class="reference internal" href="apiref.html#c.json_pack" title="json_pack"><code class="xref c c-func docutils literal"><span class="pre">json_pack()</span></code></a> and friends: Add format specifiers <code class="docutils literal"><span class="pre">s#</span></code>, <code class="docutils literal"><span class="pre">+</span></code> and
<code class="docutils literal"><span class="pre">+#</span></code>.</li>
<li>Add <code class="docutils literal"><span class="pre">JSON_DECODE_INT_AS_REAL</span></code> decoding flag to treat all numbers
as real in the decoder (#123).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_array_foreach" title="json_array_foreach"><code class="xref c c-func docutils literal"><span class="pre">json_array_foreach()</span></code></a>, paralleling <a class="reference internal" href="apiref.html#c.json_object_foreach" title="json_object_foreach"><code class="xref c c-func docutils literal"><span class="pre">json_object_foreach()</span></code></a>
(#118).</li>
</ul>
</li>
<li>Bug fixes:<ul>
<li><a class="reference internal" href="apiref.html#c.json_dumps" title="json_dumps"><code class="xref c c-func docutils literal"><span class="pre">json_dumps()</span></code></a> and friends: Don’t crash if json is <em>NULL</em> and
<code class="docutils literal"><span class="pre">JSON_ENCODE_ANY</span></code> is set.</li>
<li>Fix a theoretical integer overflow in <code class="xref c c-func docutils literal"><span class="pre">jsonp_strdup()</span></code>.</li>
<li>Fix <code class="xref c c-func docutils literal"><span class="pre">l_isxdigit()</span></code> macro (#97).</li>
<li>Fix an off-by-one error in <a class="reference internal" href="apiref.html#c.json_array_remove" title="json_array_remove"><code class="xref c c-func docutils literal"><span class="pre">json_array_remove()</span></code></a>.</li>
</ul>
</li>
<li>Build:<ul>
<li>Support CMake in addition to GNU Autotools (#106, #107, #112,
#115, #120, #127).</li>
<li>Support building for Android (#109).</li>
<li>Don’t use <code class="docutils literal"><span class="pre">-Werror</span></code> by default.</li>
<li>Support building and testing with VPATH (#93).</li>
<li>Fix compilation when <code class="docutils literal"><span class="pre">NDEBUG</span></code> is defined (#128)</li>
</ul>
</li>
<li>Tests:<ul>
<li>Fix a refleak in <code class="docutils literal"><span class="pre">test/bin/json_process.c</span></code>.</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Clarify the return value of <a class="reference internal" href="apiref.html#c.json_load_callback_t" title="json_load_callback_t"><code class="xref c c-func docutils literal"><span class="pre">json_load_callback_t()</span></code></a>.</li>
<li>Document how to circumvent problems with separate heaps on Windows.</li>
<li>Fix memory leaks and warnings in <code class="docutils literal"><span class="pre">github_commits.c</span></code>.</li>
<li>Use <a class="reference internal" href="apiref.html#c.json_decref" title="json_decref"><code class="xref c c-func docutils literal"><span class="pre">json_decref()</span></code></a> properly in tutorial.</li>
</ul>
</li>
<li>Other:<ul>
<li>Make it possible to forward declare <code class="docutils literal"><span class="pre">struct</span> <span class="pre">json_t</span></code>.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-4">
<h2>Version 2.4<a class="headerlink" href="#version-2-4" title="Permalink to this headline">¶</a></h2>
<p>Released 2012-09-23</p>
<ul class="simple">
<li>New features:<ul>
<li>Add <a class="reference internal" href="apiref.html#c.json_boolean" title="json_boolean"><code class="xref c c-func docutils literal"><span class="pre">json_boolean()</span></code></a> macro that returns the JSON true or false
value based on its argument (#86).</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_load_callback" title="json_load_callback"><code class="xref c c-func docutils literal"><span class="pre">json_load_callback()</span></code></a> that calls a callback function
repeatedly to read the JSON input (#57).</li>
<li>Add JSON_ESCAPE_SLASH encoding flag to escape all occurences of
<code class="docutils literal"><span class="pre">/</span></code> with <code class="docutils literal"><span class="pre">\/</span></code>.</li>
</ul>
</li>
<li>Bug fixes:<ul>
<li>Check for and reject NaN and Inf values for reals. Encoding these
values resulted in invalid JSON.</li>
<li>Fix <a class="reference internal" href="apiref.html#c.json_real_set" title="json_real_set"><code class="xref c c-func docutils literal"><span class="pre">json_real_set()</span></code></a> to return -1 on error.</li>
</ul>
</li>
<li>Build:<ul>
<li>Jansson now builds on Windows with Visual Studio 2010, and
includes solution and project files in <code class="docutils literal"><span class="pre">win32/vs2010/</span></code>
directory.</li>
<li>Fix build warnings (#77, #78).</li>
<li>Add <code class="docutils literal"><span class="pre">-no-undefined</span></code> to LDFLAGS (#90).</li>
</ul>
</li>
<li>Tests:<ul>
<li>Fix the symbol exports test on Linux/PPC64 (#88).</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Fix typos (#73, #84).</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-3-1">
<h2>Version 2.3.1<a class="headerlink" href="#version-2-3-1" title="Permalink to this headline">¶</a></h2>
<p>Released 2012-04-20</p>
<ul class="simple">
<li>Build issues:<ul>
<li>Only use <code class="docutils literal"><span class="pre">long</span> <span class="pre">long</span></code> if <code class="docutils literal"><span class="pre">strtoll()</span></code> is also available.</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Fix the names of library version constants in documentation. (#52)</li>
<li>Change the tutorial to use GitHub API v3. (#65)</li>
</ul>
</li>
<li>Tests:<ul>
<li>Make some tests locale independent. (#51)</li>
<li>Distribute the library exports test in the tarball.</li>
<li>Make test run on shells that don’t support the <code class="docutils literal"><span class="pre">export</span> <span class="pre">FOO=bar</span></code>
syntax.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-3">
<h2>Version 2.3<a class="headerlink" href="#version-2-3" title="Permalink to this headline">¶</a></h2>
<p>Released 2012-01-27</p>
<ul class="simple">
<li>New features:<ul>
<li><a class="reference internal" href="apiref.html#c.json_unpack" title="json_unpack"><code class="xref c c-func docutils literal"><span class="pre">json_unpack()</span></code></a> and friends: Add support for optional object keys
with the <code class="docutils literal"><span class="pre">{s?o}</span></code> syntax.</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_object_update_existing" title="json_object_update_existing"><code class="xref c c-func docutils literal"><span class="pre">json_object_update_existing()</span></code></a> and
<a class="reference internal" href="apiref.html#c.json_object_update_missing" title="json_object_update_missing"><code class="xref c c-func docutils literal"><span class="pre">json_object_update_missing()</span></code></a>, for updating only existing keys or
only adding missing keys to an object. (#37)</li>
<li>Add <a class="reference internal" href="apiref.html#c.json_object_foreach" title="json_object_foreach"><code class="xref c c-func docutils literal"><span class="pre">json_object_foreach()</span></code></a> for more convenient iteration over
objects. (#45, #46)</li>
<li>When decoding JSON, write the number of bytes that were read from
input to <code class="docutils literal"><span class="pre">error.position</span></code> also on success. This is handy with
<code class="docutils literal"><span class="pre">JSON_DISABLE_EOF_CHECK</span></code>.</li>
<li>Add support for decoding any JSON value, not just arrays or
objects. The support is enabled with the new <code class="docutils literal"><span class="pre">JSON_DECODE_ANY</span></code>
flag. Patch by Andrea Marchesini. (#4)</li>
</ul>
</li>
<li>Bug fixes<ul>
<li>Avoid problems with object’s serial number growing too big. (#40,
#41)</li>
<li>Decoding functions now return NULL if the first argument is NULL.
Patch by Andrea Marchesini.</li>
<li>Include <code class="docutils literal"><span class="pre">jansson_config.h.win32</span></code> in the distribution tarball.</li>
<li>Remove <code class="docutils literal"><span class="pre">+</span></code> and leading zeros from exponents in the encoder.
(#39)</li>
<li>Make Jansson build and work on MinGW. (#39, #38)</li>
</ul>
</li>
<li>Documentation<ul>
<li>Note that the same JSON values must not be encoded in parallel by
separate threads. (#42)</li>
<li>Document MinGW support.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-2-1">
<h2>Version 2.2.1<a class="headerlink" href="#version-2-2-1" title="Permalink to this headline">¶</a></h2>
<p>Released 2011-10-06</p>
<ul class="simple">
<li>Bug fixes:<ul>
<li>Fix real number encoding and decoding under non-C locales. (#32)</li>
<li>Fix identifier decoding under non-UTF-8 locales. (#35)</li>
<li><a class="reference internal" href="apiref.html#c.json_load_file" title="json_load_file"><code class="xref c c-func docutils literal"><span class="pre">json_load_file()</span></code></a>: Open the input file in binary mode for maximum
compatiblity.</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Clarify the lifecycle of the result of the <code class="docutils literal"><span class="pre">s</span></code> fromat of
<a class="reference internal" href="apiref.html#c.json_unpack" title="json_unpack"><code class="xref c c-func docutils literal"><span class="pre">json_unpack()</span></code></a>. (#31)</li>
<li>Add some portability info. (#36)</li>
<li>Little clarifications here and there.</li>
</ul>
</li>
<li>Other:<ul>
<li>Some style fixes, issues detected by static analyzers.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-2">
<h2>Version 2.2<a class="headerlink" href="#version-2-2" title="Permalink to this headline">¶</a></h2>
<p>Released 2011-09-03</p>
<ul class="simple">
<li>New features:<ul>
<li><a class="reference internal" href="apiref.html#c.json_dump_callback" title="json_dump_callback"><code class="xref c c-func docutils literal"><span class="pre">json_dump_callback()</span></code></a>: Pass the encoder output to a callback
function in chunks.</li>
</ul>
</li>
<li>Bug fixes:<ul>
<li><a class="reference internal" href="apiref.html#c.json_string_set" title="json_string_set"><code class="xref c c-func docutils literal"><span class="pre">json_string_set()</span></code></a>: Check that target is a string and value is
not NULL.</li>
</ul>
</li>
<li>Other:<ul>
<li>Documentation typo fixes and clarifications.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-1">
<h2>Version 2.1<a class="headerlink" href="#version-2-1" title="Permalink to this headline">¶</a></h2>
<p>Released 2011-06-10</p>
<ul class="simple">
<li>New features:<ul>
<li><a class="reference internal" href="apiref.html#c.json_loadb" title="json_loadb"><code class="xref c c-func docutils literal"><span class="pre">json_loadb()</span></code></a>: Decode a string with a given size, useful if the
string is not null terminated.</li>
<li>Add <code class="docutils literal"><span class="pre">JSON_ENCODE_ANY</span></code> encoding flag to allow encoding any JSON
value. By default, only arrays and objects can be encoded. (#19)</li>
<li>Add <code class="docutils literal"><span class="pre">JSON_REJECT_DUPLICATES</span></code> decoding flag to issue a decoding
error if any JSON object in the input contins duplicate keys. (#3)</li>
<li>Add <code class="docutils literal"><span class="pre">JSON_DISABLE_EOF_CHECK</span></code> decoding flag to stop decoding after a
valid JSON input. This allows other data after the JSON data.</li>
</ul>
</li>
<li>Bug fixes:<ul>
<li>Fix an additional memory leak when memory allocation fails in
<a class="reference internal" href="apiref.html#c.json_object_set" title="json_object_set"><code class="xref c c-func docutils literal"><span class="pre">json_object_set()</span></code></a> and friends.</li>
<li>Clear errno before calling <code class="xref c c-func docutils literal"><span class="pre">strtod()</span></code> for better portability. (#27)</li>
</ul>
</li>
<li>Building:<ul>
<li>Avoid set-but-not-used warning/error in a test. (#20)</li>
</ul>
</li>
<li>Other:<ul>
<li>Minor clarifications to documentation.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-0-1">
<h2>Version 2.0.1<a class="headerlink" href="#version-2-0-1" title="Permalink to this headline">¶</a></h2>
<p>Released 2011-03-31</p>
<ul class="simple">
<li>Bug fixes:<ul>
<li>Replace a few <code class="xref c c-func docutils literal"><span class="pre">malloc()</span></code> and <code class="xref c c-func docutils literal"><span class="pre">free()</span></code> calls with their
counterparts that support custom memory management.</li>
<li>Fix object key hashing in json_unpack() strict checking mode.</li>
<li>Fix the parentheses in <code class="docutils literal"><span class="pre">JANSSON_VERSION_HEX</span></code> macro.</li>
<li>Fix <a class="reference internal" href="apiref.html#c.json_object_size" title="json_object_size"><code class="xref c c-func docutils literal"><span class="pre">json_object_size()</span></code></a> return value.</li>
<li>Fix a few compilation issues.</li>
</ul>
</li>
<li>Portability:<ul>
<li>Enhance portability of <code class="xref c c-func docutils literal"><span class="pre">va_copy()</span></code>.</li>
<li>Test framework portability enhancements.</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Distribute <code class="docutils literal"><span class="pre">doc/upgrading.rst</span></code> with the source tarball.</li>
<li>Build documentation in strict mode in <code class="docutils literal"><span class="pre">make</span> <span class="pre">distcheck</span></code>.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-2-0">
<h2>Version 2.0<a class="headerlink" href="#version-2-0" title="Permalink to this headline">¶</a></h2>
<p>Released 2011-02-28</p>
<p>This release is backwards incompatible with the 1.x release series.
See the chapter “Upgrading from older versions” in documentation for
details.</p>
<ul class="simple">
<li>Backwards incompatible changes:<ul>
<li>Unify unsigned integer usage in the API: All occurences of
unsigned int and unsigned long have been replaced with size_t.</li>
<li>Change JSON integer’s underlying type to the widest signed integer
type available, i.e. long long if it’s supported, otherwise long.
Add a typedef json_int_t that defines the type.</li>
<li>Change the maximum indentation depth to 31 spaces in encoder. This
frees up bits from the flags parameter of encoding functions
<a class="reference internal" href="apiref.html#c.json_dumpf" title="json_dumpf"><code class="xref c c-func docutils literal"><span class="pre">json_dumpf()</span></code></a>, <a class="reference internal" href="apiref.html#c.json_dumps" title="json_dumps"><code class="xref c c-func docutils literal"><span class="pre">json_dumps()</span></code></a> and <a class="reference internal" href="apiref.html#c.json_dump_file" title="json_dump_file"><code class="xref c c-func docutils literal"><span class="pre">json_dump_file()</span></code></a>.</li>
<li>For future needs, add a flags parameter to all decoding functions
<a class="reference internal" href="apiref.html#c.json_loadf" title="json_loadf"><code class="xref c c-func docutils literal"><span class="pre">json_loadf()</span></code></a>, <a class="reference internal" href="apiref.html#c.json_loads" title="json_loads"><code class="xref c c-func docutils literal"><span class="pre">json_loads()</span></code></a> and <a class="reference internal" href="apiref.html#c.json_load_file" title="json_load_file"><code class="xref c c-func docutils literal"><span class="pre">json_load_file()</span></code></a>.</li>
</ul>
</li>
<li>New features<ul>
<li><a class="reference internal" href="apiref.html#c.json_pack" title="json_pack"><code class="xref c c-func docutils literal"><span class="pre">json_pack()</span></code></a>, <a class="reference internal" href="apiref.html#c.json_pack_ex" title="json_pack_ex"><code class="xref c c-func docutils literal"><span class="pre">json_pack_ex()</span></code></a>, <a class="reference internal" href="apiref.html#c.json_vpack_ex" title="json_vpack_ex"><code class="xref c c-func docutils literal"><span class="pre">json_vpack_ex()</span></code></a>: Create JSON
values based on a format string.</li>
<li><a class="reference internal" href="apiref.html#c.json_unpack" title="json_unpack"><code class="xref c c-func docutils literal"><span class="pre">json_unpack()</span></code></a>, <a class="reference internal" href="apiref.html#c.json_unpack_ex" title="json_unpack_ex"><code class="xref c c-func docutils literal"><span class="pre">json_unpack_ex()</span></code></a>, <a class="reference internal" href="apiref.html#c.json_vunpack_ex" title="json_vunpack_ex"><code class="xref c c-func docutils literal"><span class="pre">json_vunpack_ex()</span></code></a>: Simple
value extraction and validation functionality based on a format
string.</li>
<li>Add column, position and source fields to the <code class="docutils literal"><span class="pre">json_error_t</span></code>
struct.</li>
<li>Enhance error reporting in the decoder.</li>
<li><code class="docutils literal"><span class="pre">JANSSON_VERSION</span></code> et al.: Preprocessor constants that define the
library version.</li>
<li><a class="reference internal" href="apiref.html#c.json_set_alloc_funcs" title="json_set_alloc_funcs"><code class="xref c c-func docutils literal"><span class="pre">json_set_alloc_funcs()</span></code></a>: Set custom memory allocation functions.</li>
</ul>
</li>
<li>Fix many portability issues, especially on Windows.</li>
<li>Configuration<ul>
<li>Add file <code class="docutils literal"><span class="pre">jansson_config.h</span></code> that contains site specific
configuration. It’s created automatically by the configure script,
or can be created by hand if the configure script cannot be used.
The file <code class="docutils literal"><span class="pre">jansson_config.h.win32</span></code> can be used without
modifications on Windows systems.</li>
<li>Add a section to documentation describing how to build Jansson on
Windows.</li>
<li>Documentation now requires Sphinx 1.0 or newer.</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-1-3">
<h2>Version 1.3<a class="headerlink" href="#version-1-3" title="Permalink to this headline">¶</a></h2>
<p>Released 2010-06-13</p>
<ul class="simple">
<li>New functions:<ul>
<li><a class="reference internal" href="apiref.html#c.json_object_iter_set" title="json_object_iter_set"><code class="xref c c-func docutils literal"><span class="pre">json_object_iter_set()</span></code></a>, <a class="reference internal" href="apiref.html#c.json_object_iter_set_new" title="json_object_iter_set_new"><code class="xref c c-func docutils literal"><span class="pre">json_object_iter_set_new()</span></code></a>: Change
object contents while iterating over it.</li>
<li><a class="reference internal" href="apiref.html#c.json_object_iter_at" title="json_object_iter_at"><code class="xref c c-func docutils literal"><span class="pre">json_object_iter_at()</span></code></a>: Return an iterator that points to a
specific object item.</li>
</ul>
</li>
<li>New encoding flags:<ul>
<li><code class="docutils literal"><span class="pre">JSON_PRESERVE_ORDER</span></code>: Preserve the insertion order of object
keys.</li>
</ul>
</li>
<li>Bug fixes:<ul>
<li>Fix an error that occured when an array or object was first
encoded as empty, then populated with some data, and then
re-encoded</li>
<li>Fix the situation like above, but when the first encoding resulted
in an error</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Clarify the documentation on reference stealing, providing an
example usage pattern</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-1-2-1">
<h2>Version 1.2.1<a class="headerlink" href="#version-1-2-1" title="Permalink to this headline">¶</a></h2>
<p>Released 2010-04-03</p>
<ul class="simple">
<li>Bug fixes:<ul>
<li>Fix reference counting on <code class="docutils literal"><span class="pre">true</span></code>, <code class="docutils literal"><span class="pre">false</span></code> and <code class="docutils literal"><span class="pre">null</span></code></li>
<li>Estimate real number underflows in decoder with 0.0 instead of
issuing an error</li>
</ul>
</li>
<li>Portability:<ul>
<li>Make <code class="docutils literal"><span class="pre">int32_t</span></code> available on all systems</li>
<li>Support compilers that don’t have the <code class="docutils literal"><span class="pre">inline</span></code> keyword</li>
<li>Require Autoconf 2.60 (for <code class="docutils literal"><span class="pre">int32_t</span></code>)</li>
</ul>
</li>
<li>Tests:<ul>
<li>Print test names correctly when <code class="docutils literal"><span class="pre">VERBOSE=1</span></code></li>
<li><code class="docutils literal"><span class="pre">test/suites/api</span></code>: Fail when a test fails</li>
<li>Enhance tests for iterators</li>
<li>Enhance tests for decoding texts that contain null bytes</li>
</ul>
</li>
<li>Documentation:<ul>
<li>Don’t remove <code class="docutils literal"><span class="pre">changes.rst</span></code> in <code class="docutils literal"><span class="pre">make</span> <span class="pre">clean</span></code></li>
<li>Add a chapter on RFC conformance</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-1-2">
<h2>Version 1.2<a class="headerlink" href="#version-1-2" title="Permalink to this headline">¶</a></h2>
<p>Released 2010-01-21</p>
<ul class="simple">
<li>New functions:<ul>
<li><a class="reference internal" href="apiref.html#c.json_equal" title="json_equal"><code class="xref c c-func docutils literal"><span class="pre">json_equal()</span></code></a>: Test whether two JSON values are equal</li>
<li><a class="reference internal" href="apiref.html#c.json_copy" title="json_copy"><code class="xref c c-func docutils literal"><span class="pre">json_copy()</span></code></a> and <a class="reference internal" href="apiref.html#c.json_deep_copy" title="json_deep_copy"><code class="xref c c-func docutils literal"><span class="pre">json_deep_copy()</span></code></a>: Make shallow and deep copies
of JSON values</li>
<li>Add a version of all functions taking a string argument that
doesn’t check for valid UTF-8: <a class="reference internal" href="apiref.html#c.json_string_nocheck" title="json_string_nocheck"><code class="xref c c-func docutils literal"><span class="pre">json_string_nocheck()</span></code></a>,
<a class="reference internal" href="apiref.html#c.json_string_set_nocheck" title="json_string_set_nocheck"><code class="xref c c-func docutils literal"><span class="pre">json_string_set_nocheck()</span></code></a>, <a class="reference internal" href="apiref.html#c.json_object_set_nocheck" title="json_object_set_nocheck"><code class="xref c c-func docutils literal"><span class="pre">json_object_set_nocheck()</span></code></a>,
<a class="reference internal" href="apiref.html#c.json_object_set_new_nocheck" title="json_object_set_new_nocheck"><code class="xref c c-func docutils literal"><span class="pre">json_object_set_new_nocheck()</span></code></a></li>
</ul>
</li>
<li>New encoding flags:<ul>
<li><code class="docutils literal"><span class="pre">JSON_SORT_KEYS</span></code>: Sort objects by key</li>
<li><code class="docutils literal"><span class="pre">JSON_ENSURE_ASCII</span></code>: Escape all non-ASCII Unicode characters</li>
<li><code class="docutils literal"><span class="pre">JSON_COMPACT</span></code>: Use a compact representation with all unneeded
whitespace stripped</li>
</ul>
</li>
<li>Bug fixes:<ul>
<li>Revise and unify whitespace usage in encoder: Add spaces between
array and object items, never append newline to output.</li>
<li>Remove const qualifier from the <code class="docutils literal"><span class="pre">json_t</span></code> parameter in
<a class="reference internal" href="apiref.html#c.json_string_set" title="json_string_set"><code class="xref c c-func docutils literal"><span class="pre">json_string_set()</span></code></a>, <a class="reference internal" href="apiref.html#c.json_integer_set" title="json_integer_set"><code class="xref c c-func docutils literal"><span class="pre">json_integer_set()</span></code></a> and <a class="reference internal" href="apiref.html#c.json_real_set" title="json_real_set"><code class="xref c c-func docutils literal"><span class="pre">json_real_set()</span></code></a>.</li>
<li>Use <code class="docutils literal"><span class="pre">int32_t</span></code> internally for representing Unicode code points
(int is not enough on all platforms)</li>
</ul>
</li>
<li>Other changes:<ul>
<li>Convert <code class="docutils literal"><span class="pre">CHANGES</span></code> (this file) to reStructured text and add it to
HTML documentation</li>
<li>The test system has been refactored. Python is no longer required
to run the tests.</li>
<li>Documentation can now be built by invoking <code class="docutils literal"><span class="pre">make</span> <span class="pre">html</span></code></li>
<li>Support for pkg-config</li>
</ul>
</li>
</ul>
</div>
<div class="section" id="version-1-1-3">
<h2>Version 1.1.3<a class="headerlink" href="#version-1-1-3" title="Permalink to this headline">¶</a></h2>
<p>Released 2009-12-18</p>
<ul class="simple">
<li>Encode reals correctly, so that first encoding and then decoding a
real always produces the same value</li>
<li>Don’t export private symbols in <code class="docutils literal"><span class="pre">libjansson.so</span></code></li>
</ul>
</div>
<div class="section" id="version-1-1-2">
<h2>Version 1.1.2<a class="headerlink" href="#version-1-1-2" title="Permalink to this headline">¶</a></h2>
<p>Released 2009-11-08</p>
<ul class="simple">
<li>Fix a bug where an error message was not produced if the input file
could not be opened in <a class="reference internal" href="apiref.html#c.json_load_file" title="json_load_file"><code class="xref c c-func docutils literal"><span class="pre">json_load_file()</span></code></a></li>
<li>Fix an assertion failure in decoder caused by a minus sign without a
digit after it</li>
<li>Remove an unneeded include of <code class="docutils literal"><span class="pre">stdint.h</span></code> in <code class="docutils literal"><span class="pre">jansson.h</span></code></li>
</ul>
</div>
<div class="section" id="version-1-1-1">
<h2>Version 1.1.1<a class="headerlink" href="#version-1-1-1" title="Permalink to this headline">¶</a></h2>
<p>Released 2009-10-26</p>
<ul class="simple">
<li>All documentation files were not distributed with v1.1; build
documentation in make distcheck to prevent this in the future</li>
<li>Fix v1.1 release date in <code class="docutils literal"><span class="pre">CHANGES</span></code></li>
</ul>
</div>
<div class="section" id="version-1-1">
<h2>Version 1.1<a class="headerlink" href="#version-1-1" title="Permalink to this headline">¶</a></h2>
<p>Released 2009-10-20</p>
<ul class="simple">
<li>API additions and improvements:<ul>
<li>Extend array and object APIs</li>
<li>Add functions to modify integer, real and string values</li>
<li>Improve argument validation</li>
<li>Use unsigned int instead of <code class="docutils literal"><span class="pre">uint32_t</span></code> for encoding flags</li>
</ul>
</li>
<li>Enhance documentation<ul>
<li>Add getting started guide and tutorial</li>
<li>Fix some typos</li>
<li>General clarifications and cleanup</li>
</ul>
</li>
<li>Check for integer and real overflows and underflows in decoder</li>
<li>Make singleton values thread-safe (<code class="docutils literal"><span class="pre">true</span></code>, <code class="docutils literal"><span class="pre">false</span></code> and <code class="docutils literal"><span class="pre">null</span></code>)</li>
<li>Enhance circular reference handling</li>
<li>Don’t define <code class="docutils literal"><span class="pre">-std=c99</span></code> in <code class="docutils literal"><span class="pre">AM_CFLAGS</span></code></li>
<li>Add C++ guards to <code class="docutils literal"><span class="pre">jansson.h</span></code></li>
<li>Minor performance and portability improvements</li>
<li>Expand test coverage</li>
</ul>
</div>
<div class="section" id="version-1-0-4">
<h2>Version 1.0.4<a class="headerlink" href="#version-1-0-4" title="Permalink to this headline">¶</a></h2>
<p>Released 2009-10-11</p>
<ul class="simple">
<li>Relax Autoconf version requirement to 2.59</li>
<li>Make Jansson compile on platforms where plain <code class="docutils literal"><span class="pre">char</span></code> is unsigned</li>
<li>Fix API tests for object</li>
</ul>
</div>
<div class="section" id="version-1-0-3">
<h2>Version 1.0.3<a class="headerlink" href="#version-1-0-3" title="Permalink to this headline">¶</a></h2>
<p>Released 2009-09-14</p>
<ul class="simple">
<li>Check for integer and real overflows and underflows in decoder</li>
<li>Use the Python json module for tests, or simplejson if the json
module is not found</li>
<li>Distribute changelog (this file)</li>
</ul>
</div>
<div class="section" id="version-1-0-2">
<h2>Version 1.0.2<a class="headerlink" href="#version-1-0-2" title="Permalink to this headline">¶</a></h2>
<p>Released 2009-09-08</p>
<ul class="simple">
<li>Handle EOF correctly in decoder</li>
</ul>
</div>
<div class="section" id="version-1-0-1">
<h2>Version 1.0.1<a class="headerlink" href="#version-1-0-1" title="Permalink to this headline">¶</a></h2>
<p>Released 2009-09-04</p>
<ul class="simple">
<li>Fixed broken <a class="reference internal" href="apiref.html#c.json_is_boolean" title="json_is_boolean"><code class="xref c c-func docutils literal"><span class="pre">json_is_boolean()</span></code></a></li>
</ul>
</div>
<div class="section" id="version-1-0">
<h2>Version 1.0<a class="headerlink" href="#version-1-0" title="Permalink to this headline">¶</a></h2>
<p>Released 2009-08-25</p>
<ul class="simple">
<li>Initial release</li>
</ul>
</div>
</div>
</div>
</div>
</div>
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<h3><a href="index.html">Table Of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">Changes in Jansson</a><ul>
<li><a class="reference internal" href="#version-2-11">Version 2.11</a></li>
<li><a class="reference internal" href="#version-2-10">Version 2.10</a></li>
<li><a class="reference internal" href="#version-2-9">Version 2.9</a></li>
<li><a class="reference internal" href="#version-2-8">Version 2.8</a></li>
<li><a class="reference internal" href="#version-2-7">Version 2.7</a></li>
<li><a class="reference internal" href="#version-2-6">Version 2.6</a></li>
<li><a class="reference internal" href="#version-2-5">Version 2.5</a></li>
<li><a class="reference internal" href="#version-2-4">Version 2.4</a></li>
<li><a class="reference internal" href="#version-2-3-1">Version 2.3.1</a></li>
<li><a class="reference internal" href="#version-2-3">Version 2.3</a></li>
<li><a class="reference internal" href="#version-2-2-1">Version 2.2.1</a></li>
<li><a class="reference internal" href="#version-2-2">Version 2.2</a></li>
<li><a class="reference internal" href="#version-2-1">Version 2.1</a></li>
<li><a class="reference internal" href="#version-2-0-1">Version 2.0.1</a></li>
<li><a class="reference internal" href="#version-2-0">Version 2.0</a></li>
<li><a class="reference internal" href="#version-1-3">Version 1.3</a></li>
<li><a class="reference internal" href="#version-1-2-1">Version 1.2.1</a></li>
<li><a class="reference internal" href="#version-1-2">Version 1.2</a></li>
<li><a class="reference internal" href="#version-1-1-3">Version 1.1.3</a></li>
<li><a class="reference internal" href="#version-1-1-2">Version 1.1.2</a></li>
<li><a class="reference internal" href="#version-1-1-1">Version 1.1.1</a></li>
<li><a class="reference internal" href="#version-1-1">Version 1.1</a></li>
<li><a class="reference internal" href="#version-1-0-4">Version 1.0.4</a></li>
<li><a class="reference internal" href="#version-1-0-3">Version 1.0.3</a></li>
<li><a class="reference internal" href="#version-1-0-2">Version 1.0.2</a></li>
<li><a class="reference internal" href="#version-1-0-1">Version 1.0.1</a></li>
<li><a class="reference internal" href="#version-1-0">Version 1.0</a></li>
</ul>
</li>
</ul>
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<li><a href="index.html">Documentation overview</a><ul>
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