Upgrade to libxml 2.9.2 and libxslt 1.1.28

third_party/libxslt/FEATURES

+       Status of implementation of the XSLT 1.0 Features:
+       ==================================================
+
+      $Id$
+
+Stylesheet Constructs:
+======================
+
+YES                         xsl:stylesheet
+?                               id = id 
+YES                             extension-element-prefixes = tokens 
+YES                             exclude-result-prefixes = tokens 
+YES                             version = number
+
+YES                         xsl:transform
+?                               id = id 
+YES                             extension-element-prefixes = tokens 
+YES                             exclude-result-prefixes = tokens 
+YES                             version = number
+
+
+YES                         Literal Result Element as Stylesheet
+
+YES                         Embedding Stylesheets
+
+NO                          mediaType
+
+Top Level Elements:
+===================
+
+YES                         xsl:include
+YES                             href = uri-reference
+
+YES                         xsl:import
+YES                             href = uri-reference
+
+YES                         xsl:strip-space
+YES                             elements = tokens
+
+YES                         xsl:preserve-space
+YES                             elements = tokens
+
+YES                         xsl:template
+YES                             match = pattern 
+YES                             name = qname 
+YES                             priority = number 
+YES                             mode = qname
+
+YES                         xsl:namespace-alias
+YES                             stylesheet-prefix = prefix | "#default"
+YES                             result-prefix = prefix | "#default"
+
+YES                         xsl:attribute-set
+YES                             name = qname 
+YES                             use-attribute-sets = qnames
+
+YES                         xsl:variable
+YES                             name = qname 
+YES                             select = expression
+YES                             Content: template
+
+YES                         xsl:param
+YES                             name = qname 
+YES                             select = expression
+YES                             Content: template
+
+YES                         xsl:key
+YES                             name = qname 
+YES                             match = pattern 
+YES                             use = expression
+
+YES                         xsl:output
+YES                             method = "xml" | "html" | "text" | qname-but-not-ncname 
+YES                             version = nmtoken 
+YES                             encoding = string 
+YES                             omit-xml-declaration = "yes" | "no"
+YES                             standalone = "yes" | "no"
+YES                             doctype-public = string 
+YES                             doctype-system = string 
+YES                             cdata-section-elements = qnames 
+YES                             indent = "yes" | "no"
+YES                             media-type = string
+
+Instructions:
+=============
+
+YES                         xsl:apply-templates
+YES                             select = node-set-expression 
+YES                             mode = qname
+
+YES                         xsl:apply-imports
+
+YES                         xsl:call-template
+YES                             name = qname
+
+YES                         xsl:element
+YES                             name = { qname }
+YES                             namespace = { uri-reference }
+YES                             use-attribute-sets = qnames
+
+YES                         xsl:attribute
+YES                             name = { qname }
+YES                             namespace = { uri-reference }
+
+YES                         xsl:text
+YES                             disable-output-escaping = "yes" | "no"
+
+YES                         xsl:processing-instruction
+YES                             name = { ncname }
+
+YES                         xsl:comment
+
+YES                         xsl:copy
+YES                             use-attribute-sets = qnames
+
+YES                         xsl:value-of
+YES                             select = string-expression 
+YES                             disable-output-escaping = "yes" | "no"
+
+YES                         xsl:number
+YES                             level = "single" | "multiple" | "any"
+YES                             count = pattern 
+YES                             from = pattern 
+YES                             value = number-expression 
+YES                             format = { string }
+NO                              lang = { nmtoken }
+NO                              letter-value = { "alphabetic" | "traditional" }
+YES                             grouping-separator = { char }
+YES                             grouping-size = { number }
+
+YES                         xsl:for-each
+YES                             select = node-set-expression
+
+YES                         xsl:if
+YES                             test = boolean-expression
+
+YES                         xsl:choose
+
+YES                         xsl:when
+YES                             test = boolean-expression
+
+YES                         xsl:otherwise
+
+YES                         xsl:sort
+YES                             select = string-expression 
+NO                              lang = { nmtoken }
+YES                             data-type = { "text" | "number" | qname-but-not-ncname }
+YES                             order = { "ascending" | "descending" }
+NO                              case-order = { "upper-first" | "lower-first" }
+
+YES                         xsl:variable
+YES                             name = qname 
+YES                             select = expression
+YES                             Content: template
+
+YES                         xsl:param
+YES                             name = qname 
+YES                             select = expression
+YES                             Content: template
+
+YES                         xsl:copy-of
+YES                             select = expression
+
+YES                         xsl:with-param
+YES                             name = qname 
+YES                             select = expression
+
+YES                         xsl:decimal-format
+YES                             name = qname 
+YES                             decimal-separator = char 
+YES                             grouping-separator = char 
+YES                             infinity = string 
+YES                             minus-sign = char 
+YES                             NaN = string 
+YES                             percent = char 
+YES                             per-mille = char 
+YES                             zero-digit = char 
+YES                             digit = char 
+YES                             pattern-separator = char
+
+YES                         xsl:message
+YES                             terminate = "yes" | "no"
+
+YES                         xsl:fallback
+
+General:
+========
+
+YES                         Conflict Resolution for Template Rules
+
+YES                         Whitespace Stripping
+
+YES                         Built-in Template Rules
+YES                             match="*|/"
+YES                             match="text()|@*"
+YES                             match="processing-instruction()|comment()"
+YES                             Namespace
+YES                             Mode
+
+YES                         Extension Elements
+
+YES                         Extension Functions
+
+YES                         Attribute Value Templates
+
+YES                         Result Tree Fragments
+
+Functions:
+==========
+
+YES                         node-set document(object, node-set?)
+YES                         node-set key(string, object)
+YES                         string format-number(number, string, string?)
+YES                         node-set current() 
+YES                         string unparsed-entity-uri(string)
+YES                         string generate-id(node-set?)
+YES                         object system-property(string)
+YES                         boolean element-available(string)
+YES                         boolean function-available(string)
+
+Patterns:
+=========
+
+YES                         para
+YES                         *
+YES                         chapter|appendix
+YES                         olist/item
+YES                         appendix//para
+YES                         /
+YES                         text()
+YES                         processing-instruction()
+YES                         node()
+YES                         id("W11")
+YES                         para[1]
+YES                         *[position()=1 and self::para]
+YES                         para[last()=1]
+YES                         items/item[position()>1]
+YES                         item[position() mod 2 = 1]
+YES                         div[@class="appendix"]//p
+YES                         @class
+YES                         @*
+YES   except ns for key     key('a','b')
+
+daniel@veillard.com