diff --git a/lib/rexml/parsers/baseparser.rb b/lib/rexml/parsers/baseparser.rb
index 89a9d0b6..a567e045 100644
--- a/lib/rexml/parsers/baseparser.rb
+++ b/lib/rexml/parsers/baseparser.rb
@@ -156,6 +156,7 @@ module Private
default_entities.each do |term|
DEFAULT_ENTITIES_PATTERNS[term] = /&#{term};/
end
+ XML_PREFIXED_NAMESPACE = "http://www.w3.org/XML/1998/namespace"
end
private_constant :Private
@@ -185,7 +186,7 @@ def stream=( source )
@tags = []
@stack = []
@entities = []
- @namespaces = {}
+ @namespaces = {"xml" => Private::XML_PREFIXED_NAMESPACE}
@namespaces_restore_stack = []
end
@@ -790,7 +791,7 @@ def parse_attributes(prefixes)
@source.match(/\s*/um, true)
if prefix == "xmlns"
if local_part == "xml"
- if value != "http://www.w3.org/XML/1998/namespace"
+ if value != Private::XML_PREFIXED_NAMESPACE
msg = "The 'xml' prefix must not be bound to any other namespace "+
"(http://www.w3.org/TR/REC-xml-names/#ns-decl)"
raise REXML::ParseException.new( msg, @source, self )
diff --git a/test/parser/test_base_parser.rb b/test/parser/test_base_parser.rb
index 17d01979..da169a25 100644
--- a/test/parser/test_base_parser.rb
+++ b/test/parser/test_base_parser.rb
@@ -23,5 +23,40 @@ def test_large_xml
parser.position < xml.bytesize
end
end
+
+ def test_attribute_prefixed_by_xml
+ xml = <<-XML
+
+
+
+
+ XHTML Document
+
+
+ XHTML Document
+ この段落は日本語です。
+
+
+ XML
+
+ parser = REXML::Parsers::BaseParser.new(xml)
+ 5.times {parser.pull}
+
+ html = parser.pull
+ assert_equal([:start_element,
+ "html",
+ {"xmlns" => "http://www.w3.org/1999/xhtml",
+ "xml:lang" => "en",
+ "lang" => "en"}],
+ html)
+
+ 15.times {parser.pull}
+
+ p = parser.pull
+ assert_equal([:start_element,
+ "p",
+ {"xml:lang" => "ja", "lang" => "ja"}],
+ p)
+ end
end
end