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xml2 1.5.1

• Avoid shared libxml2 on MacOS because this reveals bugs in R.app(#471)

xml2 1.5.0

• Experimental custom myExternalEntityLoader on libxml2 2.15 andup.

xml2 1.4.1

• Remove a test that broke with libxml2 2.15

xml2 1.4.0

• read_html() now allows huge elements by default (#455)

• Workaround for xQuartz/Cocoa on MacOS hitting our global errorhandler.

• Avoid accessing some struct internals disallowed in libxml22.14

xml2 1.3.8

• Replace new “non-api” call IS_S4_OBJECT with Rf_isS4

• Windows: update fallback libs (for R < 4.3) to libxml22.11.5

• Compile with C_VISIBILITY and CXX_VISIBILITY on supportedplatforms

xml2 1.3.7

• Windows: use libxml2 from Rtools if found

• Update maintainer

• Minor cleanups

xml2 1.3.6

• Now compatible with libxml2 2.12.0 and later (@KNnut).

• Fixed format string issues detected in R-devel.

• Remove unused dependencies on glue, withr and lifecycle (@mgirlich).

• print() is faster for very longxml_nodeset inputs (#366,@michaelchirico).

• xml_attr(),xml_attrs(),xml_double(),xml_integer(),xml_length(),xml_name(),xml_path(),xml_text(), andxml_type() no longer use S3 dispatch but instead dispatchin C, leading to considerable performance improvements in many cases(@mgirlich,#400).

• xml_find_int() analogous toxml_find_num() for returning integers matched by an XPath(#365,@michaelchirico).

• xml_serialize() now includes the document type sothatxml_unserialize() works also for HTML documents (#407,@HenrikBengtsson).

xml2 1.3.5

• Small speedup forxml_find_all() (@mgirlich, #393).

• Fixes for R CMD check problems.

xml2 1.3.4

• Fixes for R CMD check problems.

• Windows: update to libxml2 2.10.3

xml2 1.3.3

• Hadley Wickham is now (again) the maintainer.

• xml2 has been re-licensed as MIT (#317).

• xml_find_all.xml_node() fails more informatively thexpath parameter is the wrong type (@michaelchirico)

• xml_find_all.xml_nodeset() gains aflatten argument to control whether to return a singlenodeset or a list of nodesets (#311,@jakejh)

• write_xml() andwrite_html() now returnNULL invisibly, as they did prior to version 1.3.0 (#307)

• XPtr gets explicit copy constructor and assignmentoperator definitions, which were two missing components of theRuleof three (@michaelchirico)

• Windows: update to libxml2 2.9.10 and libxslt 1.1.34 and add ucrtlibs

xml2 1.3.2

• read_html() andread_xml() now error ifpassed strings of length greater than one (#121)

• read_xml.raw() had an inadvertent regression in1.3.0 and is now again fixed (#300)

• Compilation fix on macOS 10.15.4 (@kevinushey, #296)

xml2 1.3.1

• read_html() now again works with HTML files withnon-ASCII encodings (#293).

xml2 1.3.0

• Removes the Rcpp dependency

xml2 1.2.5

• Fix compilation issue on macOS versions after High Sierra when notusing homebrew supplied libxml2

xml2 1.2.4

• Fix potential dangling pointer with internalasXmlChar() function (@michaelquinn32, #287).

• as_xml_document() now handles cases with text nodestrailing normal nodes (#274).

• xml_add_child() can now create nodes with apar attribute. These previously errored due to partial namematching of theparent function in the internalcreate_node() function. (@jennybc, #285)

• libxml2_version() now returns a semantic versionrather than alphanumeric version, so “2.9.10” > “2.9.9”(#277)

xml2 1.2.2

• Export S4 classes with documentation, so they can be used in otherpackages without Warnings (@nuest, #267)

xml2 1.2.1

New Features

• xml2 now has a pkgdown site!https://xml2.r-lib.org (@jayhesselberth, #211).

• Windows: upgrade to libxml2 2.9.8

• print methods now match the type of document,e.g. read_html() prints as “{html_document}” rather than“{xml_document}” (#227)

Bugfixes and Miscellaneousfeatures

• Generic xml2 error are now forwarded as R errors. Previouslythese errors were output to stderr, so could not be suppressed(#209).

• Fix for ICU 59+ defaulting to use char16_t, which is onlyavailable in C++11 (#231)

• No longer uses the C connections API

• Better error message when trying to rundownload_xml() without the curl package installed(#262)

• xml2 classes are now registered for use with S4 by callingsetOldClass() (#248)

• Nodes with nested data type definition entities now work withoutcrashing (#241)

• Test failure fixed due to behavior change with relative paths inlibxml2 2.9.9 (#245).

• read_xml() now has a better error message when givenzero length character inputs (#212).

• read_xml() andread_html() nowautomatically check if the response succeeded before trying to read froma HTTP response (#255).

• xml_root() can now create root nodes with namespaces(#239)

• xml_set_attr() no longer crashes if you try to setthe same namespace on the same node multiple times (#253).

• xml_set_attr() now recycles the values if needed(#221)

• xml_structure() gains afile argument,to support writing to a file rather than the console (#244).

xml2 1.2.0

Breaking changes

• as_list() onxml_document objects did notproperly include the root node in the returned list. Previous behaviorcan be obtained by usingas_list()[[1L]] in place ofas_list().

New Features

• download_xml() anddownload_html()helper functions to make it easy to download files (#193).

• xml_attr() can now set attributes with no value(#198).

• xml_serialize() andxml_unserialize()now create file connections when given character input (#179).

Bugfixes

• xml_find_first() no longer de-duplicates results, sothe results are always the same length as the inputs (as documented)(#194).

• xml2 can now build using libxml2 2.7.0

• Use Rcpp symbol registration and visibility to prevent symbolconflicts on Linux

• xml_add_child() now requires less resources toinsert a node when called with.where = 0L (@heckendorfc,#175).

• Fixed failing examples due to a change in an externalresource.

xml2 1.1.1

• This is a small point release addressing installation issues foundwith older libxml2 versions shipped with RedHat Linux 6 / CentOS 6(#163, #164).

xml2 1.1.0

New Features

• write_xml() andwrite_html() now acceptconnections as well as filenames for output. (#157)

• xml_add_child() now takes a.whereargument specifying where to add the new children. (#138)

• as_xml() generic function to convert R objects toxml. The most important method is for lists and enables full roundtripsupport for going to and back from xml for lists and enables fullroundtrip support to and from XML. (#137, #143)

• xml_new_root() can be used to create a new documentand a root node in one step (#131).

• xml_add_parent() inserts a new node between the nodeand its parent (#129)

• Addxml_validate() to validate a document against anxml schema (#31,@jeroenooms).

• Exportxml2_types.h to allow for extension packagessuch as xslt.

• xml_comment() allows you to add comment nodes to adocument. (#111)

• xml_cdata() allows you to add CDATA nodes to adocument. (#128)

• Addxml_set_text() andxml_set_name()equivalent toxml_text<- andxml_name<-.(#130).

• Addxml_set_attr() andxml_set_attrs()equivalent toxml_attr<- andxml_attrs<-. (#109, #130)

• Addwrite_html() method (#133).

Bugfixes

• xml_new_document() now explicitly sets the encoding(default UTF-8) (#142)

• Document formatting options forwrite_xml()(#132)

• Add missing methods for xml_missing objects. (#134)

• Bugfix for xml_length.xml_nodeset that caused it to failunconditionally. (#140)

• is.na() now returnsTRUE forxml_missing objects. (#139)

• Trim non-breaking spaces inxml_text(trim = TRUE)(#151).

• Allow setting non-character attributes (values are coerced tocharacters). (@sjp, #117,#122).

• Fixed return value in call to vapply in xml_integer.xml_nodeset.(@ddiez, #146,#147).

• Allow docs missing a root element to be created and printed.(@sjp, #126,#121).

• xml_add_* methods now return invisibly. (@sjp, #124)

• as_list() now preserves element names whenattributes exist, and escapes XML attributes that conflict with specialR attributes (@peterfoley, #115).

xml2 1.0.0

• All C++ functions now usechecked_get() instead ofget() where possible, so NULL XPtrs properly throw an errorrather than crashing. (@jimhester, #101, #104).

• xml_integer() andxml_double()functions to make it easy to extract integer and double text from nodes(@jimhester, #97,#99).

• xml2 now supports modification and creation of XML nodes. Newfunctionsxml_new_document(),xml_new_child(),xml_new_sibling(),xml_set_namespace(), ,xml_remove(),xml_replace(),xml_root() and replacement methods forxml_name(),xml_attr(),xml_attrs() andxml_text() (@jimhester, #9#76)

• xml_ns() now keeps namespace prefixes that point tothe same URI (@jimhester, #35, #95).

• read_xml() andread_html() methodsadded forhttr::response() objects. (@jimhester, #63, #93)

• xml_child() function to make selecting children alittle easier (@jimhester, #23, #94)

• xml_find_one() has been deprecated in favor ofxml_find_first() (@jimhester, #58, #92)

• xml_read() functions now default to passing thedocument’s namespace object. Namespace definitions can now be removed aswell as added andxml_ns_strip() added to remove alldefault namespaces from a document. (@jimhester, #28, #89)

• xml_read() gains aoptions argument tocontrol all available parsing options, includingHUGE toturn off limits for parsing very large documents and now drops blanktext nodes by default, mimicking default behavior of XML package. (@jimhester, #49, #62,#85, #88)

• xml_write() expands the path on filenames, sodirectories can be specified with ‘~/’ (@jimhester, #86, #80)

• xml_find_one() now returns a ‘xml_missing’ nodeobject if there are 0 matches (@jimhester, #55, #53,hadley/rvest#82).

• xml_find_num(),xml_find_chr(),xml_find_lgl() functions added to return numeric, characterand logical results from XPath expressions. (@jimhester, #55)

• xml_name() andxml_text() alwayscorrectly encode returned value as UTF-8 (#54).

xml2 0.1.2

• Improved configure script - now works again on R-devel onwindows.

• Compiles with older versions of libxml2.,

xml2 0.1.1

• Make configure script more cross platform.

• Addxml_length() to count the number of children(#32).