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### Class Index

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- Nokogiri
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- XSD::XMLParser
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### 1.6.0 / 2013-06-08

This release was based on v1.5.10 and 1.6.0.rc1, and contains changes mentioned in both.

- Deprecations

  - Remove pre 1.9 monitoring from Travis.

### 1.6.0.rc1 / 2013-04-14

This release was based on v1.5.9, and so does not contain any fixes mentioned in the notes for v1.5.10.

- Notes

  - mini_portile is now a runtime dependency

  - Ruby 1.9.2 and higher now required

- Features

  - (MRI) Source code for libxml 2.8.0 and libxslt 1.2.26 is packaged with the gem. These libraries are compiled at gem install time unless the environment variable NOKOGIRI_USE_SYSTEM_LIBRARIES is set. VERSION_INFO (also `nokogiri -v`) exposes whether libxml was compiled from packaged source, or the system library was used.

  - (Windows) libxml upgraded to 2.8.0

- Deprecations

  - Support for Ruby 1.8.7 and prior has been dropped

### 1.5.10 / 2013-06-07

- Bugfixes

  - (JRuby) Fix "null document" error when parsing an empty IO in jruby 1.7.3. #883

  - (JRuby) Fix schema validation when XSD has DOCTYPE set to DTD. #861 (Thanks, Patrick Cheng!)

  - (MRI) Fix segfault when there is no default subelement for an HTML node. #917

- Notes

  - Use rb_ary_entry instead of RARRAY_PTR (you know, for Rubinius). #877 (Thanks, Dirkjan Bussink!)

  - Fix TypeError when running tests. #900 (Thanks, Cédric Boutillier!)

### 1.5.9 / 2013-03-21

- Bugfixes

  - Ensure that prefixed attributes are properly namespaced when reparented. #869

  - Fix for inconsistent namespaced attribute access for SVG nested in HTML. #861

  - (MRI) Fixed a memory leak in fragment parsing if nodes are not all subsequently reparented. #856

### 1.5.8 / 2013-03-19

- Bugfixes

  - (JRuby) Fix EmptyStackException thrown by elements with xhref attributes and no base_uri #534, #805. (Thanks, Patrick Quinn and Brian Hoffman!)

  - Fixes duplicate attributes issue introduced in 1.5.7. #865

  - Allow use of a prefixed namespace on a root node using Nokogiri::XML::Builder #868

### 1.5.7 / 2013-03-18

- Features

  - Windows support for Ruby 2.0.

- Bugfixes

  - SAX::Parser.parse_io throw an error when used with lower case encoding. #828

  - (JRuby) Java Nokogiri is finally green (passes all tests) under 1.8 and 1.9 mode. High five everyone. #798, #705

  - (JRuby) Nokogiri::XML::Reader broken (as a pull parser) on jruby - reads the whole XML document. #831

  - (JRuby) JRuby hangs parsing "&amp;". #837

  - (JRuby) JRuby NPE parsing an invalid XML instruction. #838

  - (JRuby) Node#content= incompatibility. #839

  - (JRuby) to_xhtml doesn't print the last slash for self-closing tags in JRuby. #834

  - (JRuby) Adding an EntityReference after a Text node mangles the entity in JRuby. #835

  - (JRuby) JRuby version inconsistency: nil for empty attributes. #818

  - CSS queries for classes (e.g., ".foo") now treat all whitespace identically. #854

  - Namespace behavior cleaned up and made consistent between JRuby and MRI. #846, #801 (Thanks, Michael Klein!)

  - (MRI) SAX parser handles empty processing instructions. #845

### 1.5.6 / 2012-12-19

- Features

  - Improved performance of XML::Document#collect_namespaces. #761 (Thanks, Juergen Mangler!)

  - New callback SAX::Document#processing_instruction (Thanks, Kitaiti Makoto!)

  - Node#native_content= allows setting unescaped node contant. #768

  - XPath lookup with namespaces supports symbol keys. #729 (Thanks, Ben Langfeld.)

  - XML::Node#[]= stringifies values. #729 (Thanks, Ben Langfeld.)

  - bin/nokogiri will process a document from $stdin

  - bin/nokogiri -e will execute a program from the command line

  - (JRuby) bin/nokogiri --version will print the Xerces and NekoHTML versions.

- Bugfixes

  - Nokogiri now detects XSLT transform errors. #731 (Thanks, Justin Fitzsimmons!)

  - Don't throw an Error when trying to replace top-level text node in DocumentFragment. #775

  - Raise an ArgumentError if an invalid encoding is passed to the SAX parser. #756 (Thanks, Bradley Schaefer!)

  - Prefixed element inconsistency between CRuby and JRuby. #712

  - (JRuby) space prior to xml preamble causes nokogiri to fail parsing. (fixed along with #748) #790

  - (JRuby) Fixed the bug Nokogiri::XML::Node#content inconsistency between Java and C. #794, #797

  - (JRuby) raises INVALID_CHARACTER_ERR exception when EntityReference name starts with '#'. #719

  - (JRuby) doesn't coerce namespaces out of strings on a direct subclass of Node. #715

  - (JRuby) Node#content now renders newlines properly. #737 (Thanks, Piotr Szmielew!)

  - (JRuby) Unknown namespace are ignore when the recover option is used. #748

  - (JRuby) XPath queries for namespaces should not throw exceptions when called twice in a row. #764

  - (JRuby) More consistent (with libxml2) whitespace formatting when emitting XML. #771

  - (JRuby) namespaced attributes broken when appending raw xml to builder. #770

  - (JRuby) Nokogiri::XML::Document#wrap raises undefined method `length' for nil:NilClass when trying to << to a node. #781

  - (JRuby) Fixed "bad file descriptor" bug when closing open file descriptors. #495

  - (JRuby) JRuby/CRuby incompatibility for attribute decorators. #785

  - (JRuby) Issues parsing valid XML with no internal subset in the DTD. #547, #811

  - (JRuby) Issues parsing valid node content when it contains colons. #728

  - (JRuby) Correctly parse the doc type of html documents. #733

  - (JRuby) Include dtd in the xml output when a builder is used with create_internal_subset. #751

  - (JRuby) builder requires textwrappers for valid utf8 in jruby, not in mri. #784

### 1.5.5 / 2012-06-24

- Features

  - Much-improved support for JRuby in 1.9 mode! Yay!

- Bugfixes

  - Regression in JRuby Nokogiri add_previous_sibling (1.5.0 -> 1.5.1) #691 (Thanks, John Shahid!)

  - JRuby unable to create HTML doc if URL arg provided #674 (Thanks, John Shahid!)

  - JRuby raises NullPointerException when given HTML document is nil or empty string. #699

  - JRuby 1.9 error, uncaught throw 'encoding_found', has been fixed. #673

  - Invalid encoding returned in JRuby with US-ASCII. #583

  - XmlSaxPushParser raises IndexOutOfBoundsException when over 512 characters are given. #567, #615

  - When xpath evaluation returns empty NodeSet, decorating NodeSet's base document raises exception. #514

  - JRuby raises exception when xpath with namespace is specified. pull request #681 (Thanks, Piotr Szmielew)

  - JRuby renders nodes without their namespace when subclassing Node. #695

  - JRuby raises NAMESPACE_ERR (org.w3c.dom.DOMException) while instantiating RDF::RDFXML::Writer. #683

  - JRuby is not able to use namespaces in xpath. #493

  - JRuby's Entity resolving should be consistent with C-Nokogiri #704, #647, #703

### 1.5.4 / 2012-06-12

- Features

  - The "nokogiri" script now has more verbose output when passed the `--rng` option. #675 (Thanks, Dan Radez!)

  - Build support on hardened Debian systems that use `-Werror=format-security`. #680.

  - Better build support for systems with pkg-config. #584

  - Better build support for systems with multiple iconv installations.

- Bugfixes

  - Segmentation fault when creating a comment node for a DocumentFragment. #677, #678.

  - Treat '.' as xpath in at() and search(). #690

  - (MRI, Security) Default parse options for XML documents were changed to not make network connections during document parsing, to avoid XXE vulnerability. #693

    To re-enable this behavior, the configuration method `nononet` may be called, like this:

    Nokogiri::XML::Document.parse(xml) { |config| config.nononet }

    Insert your own joke about double-negatives here.

### 1.5.3 / 2012-06-01

- Features

  - Support for "prefixless" CSS selectors ~, > and + like jQuery supports. #621, #623. (Thanks, David Lee!)

  - Attempting to improve installation on homebrew 0.9 (with regards to iconv). Isn't package management convenient?

- Bugfixes

  - Custom xpath functions with empty nodeset arguments cause a segfault. #634.

  - Nokogiri::XML::Node#css now works for XML documents with default namespaces when the rule contains attribute selector without namespace.

  - Fixed marshalling bugs around how arguments are passed to (and returned from) XSLT custom xpath functions. #640.

  - Nokogiri::XML::Reader#outer_xml is broken in JRuby #617

  - Nokogiri::XML::Attribute on JRuby returns a nil namespace #647

  - Nokogiri::XML::Node#namespace= cannot set a namespace without a prefix on JRuby #648

  - (JRuby) 1.9 mode causes dead lock while running rake #571

  - HTML::Document#meta_encoding does not raise exception on docs with malformed content-type. #655

  - Fixing segfault related to unsupported encodings in in-context parsing on 1.8.7. #643

  - (JRuby) Concurrency issue in XPath parsing. #682

### 1.5.2 / 2012-03-09

Repackaging of 1.5.1 with a gemspec that is compatible with older Rubies. #631, #632.

### 1.5.1 / 2012-03-09

- Features

  - XML::Builder#comment allows creation of comment nodes.

  - CSS searches now support namespaced attributes. #593

  - Java integration feature is added. Now, XML::Document.wrap and XML::Document#to_java methods are available.

  - RelaxNG validator support in the `nokogiri` cli utility. #591 (thanks, Dan Radez!)

- Bugfixes

  - Fix many memory leaks and segfault opportunities. Thanks, Tim Elliott!

  - extconf searches homebrew paths if homebrew is installed.

  - Inconsistent behavior of Nokogiri 1.5.0 Java #620

  - Inheriting from Nokogiri::XML::Node on JRuby (1.6.4/5) fails #560

  - XML::Attr nodes are not allowed to be added as node children, so an exception is raised. #558

  - No longer defensively "pickle" adjacent text nodes on Node#add_next_sibling and Node#add_previous_sibling calls. #595.

  - Java version inconsistency: it returns nil for empty attributes #589

  - to_xhtml incorrectly generates <p /></p> when tag is empty #557

  - Document#add_child now accepts a Node, NodeSet, DocumentFragment, or String. #546.

  - Document#create_element now recognizes namespaces containing non-word characters (like "SOAP-ENV"). This is mostly relevant to users of Builder, which calls Document#create_element for nearly everything. #531.

  - File encoding broken in 1.5.0 / jruby / windows #529

  - Java version does not return namespace defs as attrs for ::HTML #542

  - Bad file descriptor with Nokogiri 1.5.0 #495

  - remove_namespace! doesn't work in pure java version #492

  - The Nokogiri Java native build throws a null pointer exception when ActiveSupport's .blank? method is called directly on a parsed object. #489

  - 1.5.0 Not using correct character encoding #488

  - Raw XML string in XML Builder broken on JRuby #486

  - Nokogiri 1.5.0 XML generation broken on JRuby #484

  - Do not allow multiple root nodes. #550

  - Fixes for custom XPath functions. #605, #606 (thanks, Juan Wajnerman!)

  - Node#to_xml does not override :save_with if it is provided. #505

  - Node#set is a private method (JRuby). #564 (thanks, Nick Sieger!)

  - C14n cleanup and Node#canonicalize (thanks, Ivan Pirlik!) #563

### 1.5.0 / 2011-07-01

- Notes

  - See changelog from 1.4.7

- Features

  - extracted sets of Node::SaveOptions into Node::SaveOptions::DEFAULT_{X,H,XH}TML (refactor)

- Bugfixes

  - default output of XML on JRuby is no longer formatted due to inconsistent whitespace handling. #415

  - (JRuby) making empty NodeSets with null `nodes` member safe to operate on. #443

  - Fix a bug in advanced encoding detection that leads to partially duplicated document when parsing an HTML file with unknown encoding.

  - Add support for <meta charset="...">.

### 1.5.0 beta3 / 2010/12/02

- Notes

  - JRuby performance tuning

  - See changelog from 1.4.4

- Bugfixes

  - Node#inner_text no longer returns nil. (JRuby) #264

### 1.5.0 beta2 / 2010/07/30

- Notes

  - See changelog from 1.4.3

### 1.5.0 beta1 / 2010/05/22

- Notes

  - JRuby support is provided by a new pure-java backend.

- Deprecations

  - Ruby 1.8.6 is deprecated. Nokogiri will install, but official support is ended.

  - LibXML 2.6.16 and earlier are deprecated. Nokogiri will refuse to install.

  - FFI support is removed.

### 1.4.7 / 2011-07-01

- Bugfixes

  - Fix a bug in advanced encoding detection that leads to partially duplicated document when parsing an HTML file with unknown encoding. Thanks, Timothy Elliott (@ender672)! #478

### 1.4.6 / 2011-06-19

- Notes

  - This version is functionally identical to 1.4.5.

  - Ruby 1.8.6 support has been restored.

### 1.4.5 / 2011-05-19

- New Features

  - Nokogiri::HTML::Document#title accessor gets and sets the document title.

  - extracted sets of Node::SaveOptions into Node::SaveOptions::DEFAULT_{X,H,XH}TML (refactor)

  - Raise an exception if a string is passed to Nokogiri::XML::Schema#validate. #406

- Bugfixes

  - Node#serialize-and-friends now accepts a SaveOption object as the, erm, save object.

  - Nokogiri::CSS::Parser has-a Nokogiri::CSS::Tokenizer

  - (JRUBY+FFI only) Weak references are now threadsafe. #355

  - Make direct start_element() callback (currently used for HTML::SAX::Parser) pass attributes in assoc array, just as emulated start_element() callback does. rel. #356

  - HTML::SAX::Parser should call back a block given to parse*() if any, just as XML::SAX::Parser does.

  - Add further encoding detection to HTML parser that libxml2 does not do.

  - Document#remove_namespaces! now handles attributes with namespaces. #396

  - XSLT::Stylesheet#transform no longer segfaults when handed a non-XML::Document. #452

  - XML::Reader no longer segfaults when under GC pressure. #439

### 1.4.4 / 2010-11-15

- New Features

  - XML::Node#children= sets the node's inner html (much like inner_html=), but returns the reparent node(s).

  - XSLT supports function extensions. #336

  - XPath bind parameter substitution. #329

  - XML::Reader node type constants. #369

  - SAX Parser context provides line and column information

- Bugfixes

  - XML::DTD#attributes returns an empty hash instead of nil when there are no attributes.

  - XML::DTD#{keys,each} now work as expected. #324

  - {XML,HTML}::DocumentFragment.{new,parse} no longer strip leading and trailing whitespace. #319

  - XML::Node#{add_child,add_previous_sibling,add_next_sibling,replace} return a NodeSet when passed a string.

  - Unclosed tags parsed more robustly in fragments. #315

  - XML::Node#{replace,add_previous_sibling,add_next_sibling} edge cases fixed related to libxml's text node merging. #308

  - Fixed a segfault when GC occurs during xpath handler argument marshalling. #345

  - Added hack to Slop decorator to work with previously defined methods. #330

  - Fix a memory leak when duplicating child nodes. #353

  - Fixed off-by-one bug with nth-last-{child,of-type} CSS selectors when NOT using an+b notation. #354

  - Fixed passing of non-namespace attributes to SAX::Document#start_element. #356

  - Workaround for libxml2 in-context parsing bug. #362

  - Fixed NodeSet#wrap on nodes within a fragment. #331

### 1.4.3 / 2010/07/28

- New Features

  - XML::Reader#empty_element? returns true for empty elements. #262

  - Node#remove_namespaces! now removes namespace declarations as well. #294

  - NodeSet#at_xpath, NodeSet#at_css and NodeSet#> do what the corresponding methods of Node do.

- Bugfixes

  - XML::NodeSet#{include?,delete,push} accept an XML::Namespace

  - XML::Document#parse added for parsing in the context of a document

  - XML::DocumentFragment#inner_html= works with contextual parsing! #298, #281

  - lib/nokogiri/css/parser.y Combined CSS functions + pseudo selectors fixed

  - Reparenting text nodes is safe, even when the operation frees adjacent merged nodes. #283

  - Fixed libxml2 versionitis issue with xmlFirstElementChild et al. #303

  - XML::Attr#add_namespace now works as expected. #252

  - HTML::DocumentFragment uses the string's encoding. #305

  - Fix the CSS3 selector translation rule for the general sibling combinator (a.k.a. preceding selector) that incorrectly converted "E ~ F G" to "//F//G[preceding-sibling::E]".

### 1.4.2 / 2010/05/22

- New Features

  - XML::Node#parse will parse XML or HTML fragments with respect to the context node.

  - XML::Node#namespaces returns all namespaces defined in the node and all ancestor nodes (previously did not return ancestors' namespace definitions).

  - Added Enumerable to XML::Node

  - Nokogiri::XML::Schema#validate now uses xmlSchemaValidateFile if a filename is passed, which is faster and more memory-efficient. GH #219

  - XML::Document#create_entity will create new EntityDecl objects. GH #174

  - JRuby FFI implementation no longer uses ObjectSpace._id2ref, instead using Charles Nutter's rocking Weakling gem.

  - Nokogiri::XML::Node#first_element_child fetch the first child node that is an ELEMENT node.

  - Nokogiri::XML::Node#last_element_child fetch the last child node that is an ELEMENT node.

  - Nokogiri::XML::Node#elements fetch all children nodes that are ELEMENT nodes.

  - Nokogiri::XML::Node#add_child, add_previous_sibling, before, add_next_sibling, after, inner_html, swap and replace all now accept a Node, DocumentFragment, NodeSet, or a string containing markup.

  - Node#fragment? indicates whether a node is a DocumentFragment.

- Bugfixes

  - XML::NodeSet is now always decorated (if the document has decorators). GH #198

  - XML::NodeSet#slice gracefully handles offset+length larger than the set length. GH #200

  - XML::Node#content= safely unlinks previous content. GH #203

  - XML::Node#namespace= takes nil as a parameter

  - XML::Node#xpath returns things other than NodeSet objects. GH #208

  - XSLT::StyleSheet#transform accepts hashes for parameters. GH #223

  - Psuedo selectors inside not() work. GH #205

  - XML::Builder doesn't break when nodes are unlinked. Thanks to vihai! GH #228

  - Encoding can be forced on the SAX parser. Thanks Eugene Pimenov! GH #204

  - XML::DocumentFragment uses XML::Node#parse to determine children.

  - Fixed a memory leak in xml reader. Thanks sdor! GH #244

  - Node#replace returns the new child node as claimed in the RDoc. Previously returned `self`.

- Notes

  - The Windows gems now bundle DLLs for libxml 2.7.6 and libxslt 1.1.26. Prior to this release, libxml 2.7.3 and libxslt 1.1.24 were bundled.

### 1.4.1 / 2009/12/10

- New Features

  - Added Nokogiri::LIBXML_ICONV_ENABLED

  - Alias Node#[] to Node#attr

  - XML::Node#next_element added

  - XML::Node#> added for searching a nodes immediate children

  - XML::NodeSet#reverse added

  - Added fragment support to Node#add_child, Node#add_next_sibling, Node#add_previous_sibling, and Node#replace.

  - XML::Node#previous_element implemented

  - Rubinius support

  - Ths CSS selector engine now supports :has()

  - XML::NodeSet#filter() was added

  - XML::Node.next= and .previous= are aliases for add_next_sibling and add_previous_sibling. GH #183

- Bugfixes

  - XML fragments with namespaces do not raise an exception (regression in 1.4.0)

  - Node#matches? works in nodes contained by a DocumentFragment. GH #158

  - Document should not define add_namespace() method. GH #169

  - XPath queries returning namespace declarations do not segfault.

  - Node#replace works with nodes from different documents. GH #162

  - Adding XML::Document#collect_namespaces

  - Fixed bugs in the SOAP4R adapter

  - Fixed bug in XML::Node#next_element for certain edge cases

  - Fixed load path issue with JRuby under Windows. GH #160.

  - XSLT#apply_to will honor the "output method". Thanks richardlehane!

  - Fragments containing leading text nodes with newlines now parse properly. GH #178.

### 1.4.0 / 2009/10/30

- Happy Birthday!

- New Features

  - Node#at_xpath returns the first element of the NodeSet matching the XPath expression.

  - Node#at_css returns the first element of the NodeSet matching the CSS selector.

  - NodeSet#| for unions GH #119 (Thanks Serabe!)

  - NodeSet#inspect makes prettier output

  - Node#inspect implemented for more rubyish document inspecting

  - Added XML::DTD#external_id

  - Added XML::DTD#system_id

  - Added XML::ElementContent for DTD Element content validity

  - Better namespace declaration support in Nokogiri::XML::Builder

  - Added XML::Node#external_subset

  - Added XML::Node#create_external_subset

  - Added XML::Node#create_internal_subset

  - XML Builder can append raw strings (GH #141, patch from dudleyf)

  - XML::SAX::ParserContext added

  - XML::Document#remove_namespaces! for the namespace-impaired

- Bugfixes

  - returns nil when HTML documents do not declare a meta encoding tag. GH #115

  - Uses RbConfig::CONFIG to adjust ENV GH #113

  - NodeSet#search is more efficient GH #119 (Thanks Serabe!)

  - NodeSet#xpath handles custom xpath functions

  - Fixing a SEGV when XML::Reader gets attributes for current node

  - Node#inner_html takes the same arguments as Node#to_html GH #117

  - DocumentFragment#css delegates to it's child nodes GH #123

  - NodeSet#[] works with slices larger than NodeSet#length GH #131

  - Reparented nodes maintain their namespace. GH #134

  - Fixed SEGV when adding an XML::Document to NodeSet

  - XML::SyntaxError can be duplicated. GH #148

- Deprecations

  - Hpricot compatibility layer removed

### 1.3.3 / 2009/07/26

- New Features

  - NodeSet#children returns all children of all nodes

- Bugfixes

  - Override libxml-ruby's global error handler

  - ParseOption#strict fixed

  - Fixed a segfault when sending an empty string to Node#inner_html= GH #88

  - String encoding is now set to UTF-8 in Ruby 1.9

  - Fixed a segfault when moving root nodes between documents. GH #91

  - Fixed an O(n) penalty on node creation. GH #101

  - Allowing XML documents to be output as HTML documents

- Deprecations

  - Hpricot compatibility layer will be removed in 1.4.0

### 1.3.2 / 2009-06-22

- New Features

  - Nokogiri::XML::DTD#validate will validate your document

- Bugfixes

  - Nokogiri::XML::NodeSet#search will search top level nodes. GH #73

  - Removed namespace related methods from Nokogiri::XML::Document

  - Fixed a segfault when a namespace was added twice

  - Made nokogiri work with Snow Leopard GH #79

  - Mailing list has moved to: groups.google.com/group/nokogiri-talk

  - HTML fragments now correctly handle comments and CDATA blocks. GH #78

  - Nokogiri::XML::Document#clone is now an alias of dup

- Deprecations

  - Nokogiri::XML::SAX::Document#start_element_ns is deprecated, please switch to Nokogiri::XML::SAX::Document#start_element_namespace

  - Nokogiri::XML::SAX::Document#end_element_ns is deprecated, please switch to Nokogiri::XML::SAX::Document#end_element_namespace

### 1.3.1 / 2009-06-07

- Bugfixes

  - extconf.rb checks for optional RelaxNG and Schema functions

  - Namespace nodes are added to the Document node cache

### 1.3.0 / 2009-05-30

- New Features

  - Builder changes scope based on block arity

  - Builder supports methods ending in underscore similar to tagz

  - Nokogiri::XML::Node#<=> compares nodes based on Document position

  - Nokogiri::XML::Node#matches? returns true if Node can be found with given selector.

  - Nokogiri::XML::Node#ancestors now returns an Nokogiri::XML::NodeSet

  - Nokogiri::XML::Node#ancestors will match parents against optional selector

  - Nokogiri::HTML::Document#meta_encoding for getting the meta encoding

  - Nokogiri::HTML::Document#meta_encoding= for setting the meta encoding

  - Nokogiri::XML::Document#encoding= to set the document encoding

  - Nokogiri::XML::Schema for validating documents against XSD schema

  - Nokogiri::XML::RelaxNG for validating documents against RelaxNG schema

  - Nokogiri::HTML::ElementDescription for fetching HTML element descriptions

  - Nokogiri::XML::Node#description to fetch the node description

  - Nokogiri::XML::Node#accept implements Visitor pattern

  - bin/nokogiri for easily examining documents (Thanks Yutaka HARA!)

  - Nokogiri::XML::NodeSet now supports more Array and Enumerable operators: index, delete, slice, - (difference), + (concatenation), & (intersection), push, pop, shift, ==

  - Nokogiri.XML, Nokogiri.HTML take blocks that receive Nokogiri::XML::ParseOptions objects

  - Nokogiri::XML::Node#namespace returns a Nokogiri::XML::Namespace

  - Nokogiri::XML::Node#namespace= for setting a node's namespace

  - Nokogiri::XML::DocumentFragment and Nokogiri::HTML::DocumentFragment have a sensible API and a more robust implementation.

  - JRuby 1.3.0 support via FFI.

- Bugfixes

  - Fixed a problem with nil passed to CDATA constructor

  - Fragment method deals with regular expression characters (Thanks Joel!) LH #73

  - Fixing builder scope issues LH #61, LH #74, LH #70

  - Fixed a problem when adding a child could remove the child namespace LH#78

  - Fixed bug with unlinking a node then reparenting it. (GH#22)

  - Fixed failure to catch errors during XSLT parsing (GH#32)

  - Fixed a bug with attribute conditions in CSS selectors (GH#36)

  - Fixed intolerance of HTML attributes without values in Node#before/after/inner_html=. (GH#35)

### 1.2.3 / 2009-03-22

- Bugfixes

  - Fixing bug where a node is passed in to Node#new

  - Namespace should be assigned on DocumentFragment creation. LH #66

  - Nokogiri::XML::NodeSet#dup works GH #10

  - Nokogiri::HTML returns an empty Document when given a blank string GH#11

  - Adding a child will remove duplicate namespace declarations LH #67

  - Builder methods take a hash as a second argument

### 1.2.2 / 2009-03-14

- New features

  - Nokogiri may be used with soap4r. See XSD::XMLParser::Nokogiri

  - Nokogiri::XML::Node#inner_html= to set the inner html for a node

  - Nokogiri builder interface improvements

  - Nokogiri::XML::Node#swap swaps html for current node (LH #50)

- Bugfixes

  - Fixed a tag nesting problem in the Builder API (LH #41)

  - Nokogiri::HTML.fragment will properly handle text only nodes (LH #43)

  - Nokogiri::XML::Node#before will prepend text nodes (LH #44)

  - Nokogiri::XML::Node#after will append text nodes

  - Nokogiri::XML::Node#search automatically registers root namespaces (LH #42)

  - Nokogiri::XML::NodeSet#search automatically registers namespaces

  - Nokogiri::HTML::NamedCharacters delegates to libxml2

  - Nokogiri::XML::Node#[] can take a symbol (LH #48)

  - vasprintf for windows updated. Thanks Geoffroy Couprie!

  - Nokogiri::XML::Node#[]= should not encode entities (LH #55)

  - Namespaces should be copied to reparented nodes (LH #56)

  - Nokogiri uses encoding set on the string for default in Ruby 1.9

  - Document#dup should create a new document of the same type (LH #59)

  - Document should not have a parent method (LH #64)

### 1.2.1 / 2009-02-23

- Bugfixes

  - Fixed a CSS selector space bug

  - Fixed Ruby 1.9 String Encoding (Thanks 角谷さん！)

### 1.2.0 / 2009-02-22

- New features

  - CSS search now supports CSS3 namespace queries

  - Namespaces on the root node are automatically registered

  - CSS queries use the default namespace

  - Nokogiri::XML::Document#encoding get encoding used for this document

  - Nokogiri::XML::Document#url get the document url

  - Nokogiri::XML::Node#add_namespace add a namespace to the node LH#38

  - Nokogiri::XML::Node#each iterate over attribute name, value pairs

  - Nokogiri::XML::Node#keys get all attribute names

  - Nokogiri::XML::Node#line get the line number for a node (Thanks Dirkjan Bussink!)

  - Nokogiri::XML::Node#serialize now takes an optional encoding parameter

  - Nokogiri::XML::Node#to_html, to_xml, and to_xhtml take an optional encoding

  - Nokogiri::XML::Node#to_str

  - Nokogiri::XML::Node#to_xhtml to produce XHTML documents

  - Nokogiri::XML::Node#values get all attribute values

  - Nokogiri::XML::Node#write_to writes the node to an IO object with optional encoding

  - Nokogiri::XML::ProcessingInstrunction.new

  - Nokogiri::XML::SAX::PushParser for all your push parsing needs.

- Bugfixes

  - Fixed Nokogiri::XML::Document#dup

  - Fixed header detection. Thanks rubikitch!

  - Fixed a problem where invalid CSS would cause the parser to hang

- Deprecations

  - Nokogiri::XML::Node.new_from_str will be deprecated in 1.3.0

- API Changes

  - Nokogiri::HTML.fragment now returns an XML::DocumentFragment (LH #32)

### 1.1.1

- New features

  - Added XML::Node#elem?

  - Added XML::Node#attribute_nodes

  - Added XML::Attr

  - XML::Node#delete added.

  - XML::NodeSet#inner_html added.

- Bugfixes

  - Not including an HTML entity for r for HTML nodes.

  - Removed CSS::SelectorHandler and XML::XPathHandler

  - XML::Node#attributes returns an Attr node for the value.

  - XML::NodeSet implements to_xml

### 1.1.0

- New Features

  - Custom XPath functions are now supported. See Nokogiri::XML::Node#xpath

  - Custom CSS pseudo classes are now supported. See Nokogiri::XML::Node#css

  - Nokogiri::XML::Node#<< will add a child to the current node

- Bugfixes

  - Mutex lock on CSS cache access

  - Fixed build problems with GCC 3.3.5

  - XML::Node#to_xml now takes an indentation argument

  - XML::Node#dup takes an optional depth argument

  - XML::Node#add_previous_sibling returns new sibling node.

### 1.0.7

- Bugfixes

  - Fixed memory leak when using Dike

  - SAX parser now parses IO streams

  - Comment nodes have their own class

  - Nokogiri() should delegate to Nokogiri.parse()

  - Prepending rather than appending to ENV on windows

  - Fixed a bug in complex CSS negation selectors

### 1.0.6

- 5 Bugfixes

  - XPath Parser raises a SyntaxError on parse failure

  - CSS Parser raises a SyntaxError on parse failure

  - filter() and not() hpricot compatibility added

  - CSS searches via Node#search are now always relative

  - CSS to XPath conversion is now cached

### 1.0.5

- Bugfixes

  - Added mailing list and ticket tracking information to the README.txt

  - Sets ENV on windows if it doesn't exist

  - Caching results of NodeSet#[] on Document

### 1.0.4

- Bugfixes

  - Changed memory management from weak refs to document refs

  - Plugged some memory leaks

  - Builder blocks can call methods from surrounding contexts

### 1.0.3

- 5 Bugfixes

  - NodeSet now implements to_ary

  - XML::Document should not implement parent

  - More GC Bugs fixed. (Mike is AWESOME!)

  - Removed RARRAY_LEN for 1.8.5 compatibility. Thanks Shane Hanna.

  - inner_html fixed. (Thanks Yehuda!)

### 1.0.2

- 1 Bugfix

  - extconf.rb should not check for frex and racc

### 1.0.1

- 1 Bugfix

  - Made sure extconf.rb searched libdir and prefix so that ports libxml/ruby will link properly. Thanks lucsky!

### 1.0.0 / 2008-07-13

- 1 major enhancement

  - Birthday!

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