Author: tallison
Date: Thu Aug 15 01:59:26 2013
New Revision: 1514126
URL: http://svn.apache.org/r1514126
Log:
TIKA 1001 more flexible html meta-header encoding detector
Added:
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_1.html
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_2.html
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_3.html
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_4.html
Modified:
tika/trunk/CHANGES.txt
tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/html/HtmlEncodingDetector.java
tika/trunk/tika-parsers/src/test/java/org/apache/tika/parser/html/HtmlParserTest.java
Modified: tika/trunk/CHANGES.txt
URL:
http://svn.apache.org/viewvc/tika/trunk/CHANGES.txt?rev=1514126&r1=1514125&r2=1514126&view=diff
==============================================================================
--- tika/trunk/CHANGES.txt (original)
+++ tika/trunk/CHANGES.txt Thu Aug 15 01:59:26 2013
@@ -1,6 +1,8 @@
Release 1.5 - Current Development
+ * Made HtmlEncodingDetector more flexible in finding meta
+ header charset (TIKA-1001).
- * Added sanitized test HTML file for local file test (Tika-1139).
+ * Added sanitized test HTML file for local file test (TIKA-1139).
* Fixed bug that prevented attachments within a PDF from being processed
if the PDF itself was an attachment (TIKA-1124).
Modified:
tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/html/HtmlEncodingDetector.java
URL:
http://svn.apache.org/viewvc/tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/html/HtmlEncodingDetector.java?rev=1514126&r1=1514125&r2=1514126&view=diff
==============================================================================
---
tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/html/HtmlEncodingDetector.java
(original)
+++
tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/html/HtmlEncodingDetector.java
Thu Aug 15 01:59:26 2013
@@ -42,14 +42,25 @@ public class HtmlEncodingDetector implem
// TIKA-357 - use bigger buffer for meta tag sniffing (was 4K)
private static final int META_TAG_BUFFER_SIZE = 8192;
- private static final Pattern HTTP_EQUIV_PATTERN = Pattern.compile(
- "(?is)<meta\\s+http-equiv\\s*=\\s*['\\\"]\\s*"
- + "Content-Type['\\\"]\\s+content\\s*=\\s*['\\\"]"
- + "([^'\\\"]+)['\\\"]");
-
- private static final Pattern META_CHARSET_PATTERN = Pattern.compile(
- "(?is)<meta\\s+charset\\s*=\\s*['\\\"]([^'\\\"]+)['\\\"]");
-
+
+ private static final Pattern HTTP_META_PATTERN = Pattern.compile(
+ "(?is)<\\s*meta\\s+([^<>]+)"
+ );
+
+ //this should match both the older:
+ //<meta http-equiv="content-type" content="text/html; charset=xyz"/>
+ //and
+ //html5 <meta charset="xyz">
+ //See http://webdesign.about.com/od/metatags/qt/meta-charset.htm
+ //for the noisiness that one might encounter in charset attrs.
+ //Chose to go with strict ([-_:\\.a-z0-9]+) to match encodings
+ //following
http://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html
+ //For a more general "not" matcher, try:
+ //("(?is)charset\\s*=\\s*['\\\"]?\\s*([^<>\\s'\\\";]+)")
+ private static final Pattern FLEXIBLE_CHARSET_ATTR_PATTERN =
Pattern.compile(
+ ("(?is)charset\\s*=\\s*(?:['\\\"]\\s*)?([-_:\\.a-z0-9]+)")
+ );
+
private static final Charset ASCII = Charset.forName("US-ASCII");
public Charset detect(InputStream input, Metadata metadata)
@@ -71,32 +82,28 @@ public class HtmlEncodingDetector implem
// Interpret the head as ASCII and try to spot a meta tag with
// a possible character encoding hint
- String charset = null;
+
String head = ASCII.decode(ByteBuffer.wrap(buffer, 0, n)).toString();
- Matcher equiv = HTTP_EQUIV_PATTERN.matcher(head);
- if (equiv.find()) {
- MediaType type = MediaType.parse(equiv.group(1));
- if (type != null) {
- charset = type.getParameters().get("charset");
- }
- }
- if (charset == null) {
- // TIKA-892: HTML5 meta charset tag
- Matcher meta = META_CHARSET_PATTERN.matcher(head);
- if (meta.find()) {
- charset = meta.group(1);
- }
- }
-
- if (charset != null) {
- try {
- return CharsetUtils.forName(charset);
- } catch (Exception e) {
- // ignore
- }
+ Matcher equiv = HTTP_META_PATTERN.matcher(head);
+ Matcher charsetMatcher = FLEXIBLE_CHARSET_ATTR_PATTERN.matcher("");
+ //iterate through meta tags
+ while (equiv.find()) {
+ String attrs = equiv.group(1);
+ charsetMatcher.reset(attrs);
+ //iterate through charset= and return the first match
+ //that is valid
+ while (charsetMatcher.find()){
+ String candCharset = charsetMatcher.group(1);
+ if (CharsetUtils.isSupported(candCharset)){
+ try{
+ return CharsetUtils.forName(candCharset);
+ } catch (Exception e){
+ //ignore
+ }
+ }
+ }
}
-
return null;
}
Modified:
tika/trunk/tika-parsers/src/test/java/org/apache/tika/parser/html/HtmlParserTest.java
URL:
http://svn.apache.org/viewvc/tika/trunk/tika-parsers/src/test/java/org/apache/tika/parser/html/HtmlParserTest.java?rev=1514126&r1=1514125&r2=1514126&view=diff
==============================================================================
---
tika/trunk/tika-parsers/src/test/java/org/apache/tika/parser/html/HtmlParserTest.java
(original)
+++
tika/trunk/tika-parsers/src/test/java/org/apache/tika/parser/html/HtmlParserTest.java
Thu Aug 15 01:59:26 2013
@@ -809,4 +809,17 @@ public class HtmlParserTest extends Test
HtmlParserTest.class.getResourceAsStream("/test-documents/testUserDefinedCharset.mhtml"),
new Metadata());
assertNotNull(content);
}
+
+ //TIKA-1001
+ public void testNoisyMetaCharsetHeaders() throws Exception {
+ Tika tika = new Tika();
+ String hit = "\u0623\u0639\u0631\u0628";
+
+ for (int i = 1; i <=4; i++){
+ String fileName =
"/test-documents/testHTMLNoisyMetaEncoding_"+i+".html";
+ String content = tika.parseToString(
+ HtmlParserTest.class.getResourceAsStream(fileName));
+ assertTrue("testing: " +fileName, content.contains(hit));
+ }
+ }
}
Added:
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_1.html
URL:
http://svn.apache.org/viewvc/tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_1.html?rev=1514126&view=auto
==============================================================================
---
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_1.html
(added)
+++
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_1.html
Thu Aug 15 01:59:26 2013
@@ -0,0 +1,77 @@
+<html xmlns:v="urn:schemas-microsoft-com:vml"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:w="urn:schemas-microsoft-com:office:word"
xmlns:m="http://schemas.microsoft.com/office/2004/12/omml";
xmlns="http://www.w3.org/TR/REC-html40";>
+
+<head>
+<meta http-equiv=Content-Type content="text/html; charset=iso-8859-6">
+<meta name=Generator content="Microsoft Word 12 (filtered medium)">
+<style>
+<!--
+ /* Font Definitions */
+ @font-face
+ {font-family:"Cambria Math";
+ panose-1:0 0 0 0 0 0 0 0 0 0;}
+@font-face
+ {font-family:Calibri;
+ panose-1:2 15 5 2 2 2 4 3 2 4;}
+@font-face
+ {font-family:"Arabic Transparent";
+ panose-1:2 1 0 0 0 0 0 0 0 0;}
+ /* Style Definitions */
+ p.MsoNormal, li.MsoNormal, div.MsoNormal
+ {margin-top:0in;
+ margin-right:0in;
+ margin-bottom:10.0pt;
+ margin-left:0in;
+ line-height:115%;
+ font-size:11.0pt;
+ font-family:"Calibri","sans-serif";}
+a:link, span.MsoHyperlink
+ {mso-style-priority:99;
+ color:blue;
+ text-decoration:underline;}
+a:visited, span.MsoHyperlinkFollowed
+ {mso-style-priority:99;
+ color:purple;
+ text-decoration:underline;}
+span.EmailStyle17
+ {mso-style-type:personal-compose;
+ font-family:"Calibri","sans-serif";
+ color:windowtext;}
+.MsoChpDefault
+ {mso-style-type:export-only;}
+@page Section1
+ {size:8.5in 11.0in;
+ margin:1.0in 1.0in 1.0in 1.0in;}
+div.Section1
+ {page:Section1;}
+-->
+</style>
+<!--[if gte mso 9]><xml>
+ <o:shapedefaults v:ext="edit" spidmax="1026" />
+</xml><![endif]--><!--[if gte mso 9]><xml>
+ <o:shapelayout v:ext="edit">
+ <o:idmap v:ext="edit" data="1" />
+ </o:shapelayout></xml><![endif]-->
+</head>
+
+<body lang=EN-US link=blue vlink=purple>
+
+<div class=Section1>
+
+<p class=MsoNormal dir=RTL
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
+auto;text-align:right;line-height:normal;direction:rtl;unicode-bidi:embed'><span
+dir=LTR style='font-size:12.0pt;color:red'><o:p> </o:p></span></p>
+
+<p class=MsoNormal dir=RTL
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
+auto;text-align:right;line-height:normal;direction:rtl;unicode-bidi:embed'><span
+lang=AR-SA style='font-size:12.0pt;font-family:"Arabic Transparent"'>èÃÙÑÈ
+ÇäÇÊÍÇÏ ÇäÌÒÇÆÑê èâÊçÇ Ùæ "ÃÓáç äçÐÇ Çäåèâá ÚêÑ ÇäåâÈèä èÇäáÑÏê èÚêÑ
+ÇäÑêÇÖê"¬ èçÏÏ "ÈÇÊÎÇÐ ãä ÇäÅÌÑÇÁÇÊ äÏé ÇäåæØåÇÊ ÇäåÙæêÉ ääÏáÇÙ Ùæ
+åÕÇäÍç èÇäÖÑÑ ÇäãÈêÑ ÇäæÇÌå Ùæ Ðäã".<o:p></o:p></span></p>
+
+<p class=MsoNormal><o:p> </o:p></p>
+
+</div>
+
+</body>
+
+</html>
Added:
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_2.html
URL:
http://svn.apache.org/viewvc/tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_2.html?rev=1514126&view=auto
==============================================================================
---
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_2.html
(added)
+++
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_2.html
Thu Aug 15 01:59:26 2013
@@ -0,0 +1,77 @@
+<html xmlns:v="urn:schemas-microsoft-com:vml"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:w="urn:schemas-microsoft-com:office:word"
xmlns:m="http://schemas.microsoft.com/office/2004/12/omml";
xmlns="http://www.w3.org/TR/REC-html40";>
+
+<head>
+<meta http-equiv=Content-Type content="text/html; charset=iso-8859-6">
+<meta name=Generator content="Microsoft Word 12 (filtered medium)">
+<style>
+<!--
+ /* Font Definitions */
+ @font-face
+ {font-family:"Cambria Math";
+ panose-1:0 0 0 0 0 0 0 0 0 0;}
+@font-face
+ {font-family:Calibri;
+ panose-1:2 15 5 2 2 2 4 3 2 4;}
+@font-face
+ {font-family:"Arabic Transparent";
+ panose-1:2 1 0 0 0 0 0 0 0 0;}
+ /* Style Definitions */
+ p.MsoNormal, li.MsoNormal, div.MsoNormal
+ {margin-top:0in;
+ margin-right:0in;
+ margin-bottom:10.0pt;
+ margin-left:0in;
+ line-height:115%;
+ font-size:11.0pt;
+ font-family:"Calibri","sans-serif";}
+a:link, span.MsoHyperlink
+ {mso-style-priority:99;
+ color:blue;
+ text-decoration:underline;}
+a:visited, span.MsoHyperlinkFollowed
+ {mso-style-priority:99;
+ color:purple;
+ text-decoration:underline;}
+span.EmailStyle17
+ {mso-style-type:personal-compose;
+ font-family:"Calibri","sans-serif";
+ color:windowtext;}
+.MsoChpDefault
+ {mso-style-type:export-only;}
+@page Section1
+ {size:8.5in 11.0in;
+ margin:1.0in 1.0in 1.0in 1.0in;}
+div.Section1
+ {page:Section1;}
+-->
+</style>
+<!--[if gte mso 9]><xml>
+ <o:shapedefaults v:ext="edit" spidmax="1026" />
+</xml><![endif]--><!--[if gte mso 9]><xml>
+ <o:shapelayout v:ext="edit">
+ <o:idmap v:ext="edit" data="1" />
+ </o:shapelayout></xml><![endif]-->
+</head>
+
+<body lang=EN-US link=blue vlink=purple>
+
+<div class=Section1>
+
+<p class=MsoNormal dir=RTL
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
+auto;text-align:right;line-height:normal;direction:rtl;unicode-bidi:embed'><span
+dir=LTR style='font-size:12.0pt;color:red'><o:p> </o:p></span></p>
+
+<p class=MsoNormal dir=RTL
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
+auto;text-align:right;line-height:normal;direction:rtl;unicode-bidi:embed'><span
+lang=AR-SA style='font-size:12.0pt;font-family:"Arabic Transparent"'>èÃÙÑÈ
+ÇäÇÊÍÇÏ ÇäÌÒÇÆÑê èâÊçÇ Ùæ "ÃÓáç äçÐÇ Çäåèâá ÚêÑ ÇäåâÈèä èÇäáÑÏê èÚêÑ
+ÇäÑêÇÖê"¬ èçÏÏ "ÈÇÊÎÇÐ ãä ÇäÅÌÑÇÁÇÊ äÏé ÇäåæØåÇÊ ÇäåÙæêÉ ääÏáÇÙ Ùæ
+åÕÇäÍç èÇäÖÑÑ ÇäãÈêÑ ÇäæÇÌå Ùæ Ðäã".<o:p></o:p></span></p>
+
+<p class=MsoNormal><o:p> </o:p></p>
+
+</div>
+
+</body>
+
+</html>
Added:
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_3.html
URL:
http://svn.apache.org/viewvc/tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_3.html?rev=1514126&view=auto
==============================================================================
---
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_3.html
(added)
+++
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_3.html
Thu Aug 15 01:59:26 2013
@@ -0,0 +1,77 @@
+<html xmlns:v="urn:schemas-microsoft-com:vml"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:w="urn:schemas-microsoft-com:office:word"
xmlns:m="http://schemas.microsoft.com/office/2004/12/omml";
xmlns="http://www.w3.org/TR/REC-html40";>
+
+<head>
+<meta content=text/html; charset = iso-8859-6 http-equiv=Content-Type>
+<meta name=Generator content="Microsoft Word 12 (filtered medium)">
+<style>
+<!--
+ /* Font Definitions */
+ @font-face
+ {font-family:"Cambria Math";
+ panose-1:0 0 0 0 0 0 0 0 0 0;}
+@font-face
+ {font-family:Calibri;
+ panose-1:2 15 5 2 2 2 4 3 2 4;}
+@font-face
+ {font-family:"Arabic Transparent";
+ panose-1:2 1 0 0 0 0 0 0 0 0;}
+ /* Style Definitions */
+ p.MsoNormal, li.MsoNormal, div.MsoNormal
+ {margin-top:0in;
+ margin-right:0in;
+ margin-bottom:10.0pt;
+ margin-left:0in;
+ line-height:115%;
+ font-size:11.0pt;
+ font-family:"Calibri","sans-serif";}
+a:link, span.MsoHyperlink
+ {mso-style-priority:99;
+ color:blue;
+ text-decoration:underline;}
+a:visited, span.MsoHyperlinkFollowed
+ {mso-style-priority:99;
+ color:purple;
+ text-decoration:underline;}
+span.EmailStyle17
+ {mso-style-type:personal-compose;
+ font-family:"Calibri","sans-serif";
+ color:windowtext;}
+.MsoChpDefault
+ {mso-style-type:export-only;}
+@page Section1
+ {size:8.5in 11.0in;
+ margin:1.0in 1.0in 1.0in 1.0in;}
+div.Section1
+ {page:Section1;}
+-->
+</style>
+<!--[if gte mso 9]><xml>
+ <o:shapedefaults v:ext="edit" spidmax="1026" />
+</xml><![endif]--><!--[if gte mso 9]><xml>
+ <o:shapelayout v:ext="edit">
+ <o:idmap v:ext="edit" data="1" />
+ </o:shapelayout></xml><![endif]-->
+</head>
+
+<body lang=EN-US link=blue vlink=purple>
+
+<div class=Section1>
+
+<p class=MsoNormal dir=RTL
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
+auto;text-align:right;line-height:normal;direction:rtl;unicode-bidi:embed'><span
+dir=LTR style='font-size:12.0pt;color:red'><o:p> </o:p></span></p>
+
+<p class=MsoNormal dir=RTL
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
+auto;text-align:right;line-height:normal;direction:rtl;unicode-bidi:embed'><span
+lang=AR-SA style='font-size:12.0pt;font-family:"Arabic Transparent"'>èÃÙÑÈ
+ÇäÇÊÍÇÏ ÇäÌÒÇÆÑê èâÊçÇ Ùæ "ÃÓáç äçÐÇ Çäåèâá ÚêÑ ÇäåâÈèä èÇäáÑÏê èÚêÑ
+ÇäÑêÇÖê"¬ èçÏÏ "ÈÇÊÎÇÐ ãä ÇäÅÌÑÇÁÇÊ äÏé ÇäåæØåÇÊ ÇäåÙæêÉ ääÏáÇÙ Ùæ
+åÕÇäÍç èÇäÖÑÑ ÇäãÈêÑ ÇäæÇÌå Ùæ Ðäã".<o:p></o:p></span></p>
+
+<p class=MsoNormal><o:p> </o:p></p>
+
+</div>
+
+</body>
+
+</html>
Added:
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_4.html
URL:
http://svn.apache.org/viewvc/tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_4.html?rev=1514126&view=auto
==============================================================================
---
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_4.html
(added)
+++
tika/trunk/tika-parsers/src/test/resources/test-documents/testHTMLNoisyMetaEncoding_4.html
Thu Aug 15 01:59:26 2013
@@ -0,0 +1,77 @@
+<html xmlns:v="urn:schemas-microsoft-com:vml"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:w="urn:schemas-microsoft-com:office:word"
xmlns:m="http://schemas.microsoft.com/office/2004/12/omml";
xmlns="http://www.w3.org/TR/REC-html40";>
+
+<head>
+<meta content=text/html; charset = iso-8859-6 http-equiv=Content-Type>
+<meta name=Generator content="Microsoft Word 12 (filtered medium)">
+<style>
+<!--
+ /* Font Definitions */
+ @font-face
+ {font-family:"Cambria Math";
+ panose-1:0 0 0 0 0 0 0 0 0 0;}
+@font-face
+ {font-family:Calibri;
+ panose-1:2 15 5 2 2 2 4 3 2 4;}
+@font-face
+ {font-family:"Arabic Transparent";
+ panose-1:2 1 0 0 0 0 0 0 0 0;}
+ /* Style Definitions */
+ p.MsoNormal, li.MsoNormal, div.MsoNormal
+ {margin-top:0in;
+ margin-right:0in;
+ margin-bottom:10.0pt;
+ margin-left:0in;
+ line-height:115%;
+ font-size:11.0pt;
+ font-family:"Calibri","sans-serif";}
+a:link, span.MsoHyperlink
+ {mso-style-priority:99;
+ color:blue;
+ text-decoration:underline;}
+a:visited, span.MsoHyperlinkFollowed
+ {mso-style-priority:99;
+ color:purple;
+ text-decoration:underline;}
+span.EmailStyle17
+ {mso-style-type:personal-compose;
+ font-family:"Calibri","sans-serif";
+ color:windowtext;}
+.MsoChpDefault
+ {mso-style-type:export-only;}
+@page Section1
+ {size:8.5in 11.0in;
+ margin:1.0in 1.0in 1.0in 1.0in;}
+div.Section1
+ {page:Section1;}
+-->
+</style>
+<!--[if gte mso 9]><xml>
+ <o:shapedefaults v:ext="edit" spidmax="1026" />
+</xml><![endif]--><!--[if gte mso 9]><xml>
+ <o:shapelayout v:ext="edit">
+ <o:idmap v:ext="edit" data="1" />
+ </o:shapelayout></xml><![endif]-->
+</head>
+
+<body lang=EN-US link=blue vlink=purple>
+
+<div class=Section1>
+
+<p class=MsoNormal dir=RTL
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
+auto;text-align:right;line-height:normal;direction:rtl;unicode-bidi:embed'><span
+dir=LTR style='font-size:12.0pt;color:red'><o:p> </o:p></span></p>
+
+<p class=MsoNormal dir=RTL
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
+auto;text-align:right;line-height:normal;direction:rtl;unicode-bidi:embed'><span
+lang=AR-SA style='font-size:12.0pt;font-family:"Arabic Transparent"'>èÃÙÑÈ
+ÇäÇÊÍÇÏ ÇäÌÒÇÆÑê èâÊçÇ Ùæ "ÃÓáç äçÐÇ Çäåèâá ÚêÑ ÇäåâÈèä èÇäáÑÏê èÚêÑ
+ÇäÑêÇÖê"¬ èçÏÏ "ÈÇÊÎÇÐ ãä ÇäÅÌÑÇÁÇÊ äÏé ÇäåæØåÇÊ ÇäåÙæêÉ ääÏáÇÙ Ùæ
+åÕÇäÍç èÇäÖÑÑ ÇäãÈêÑ ÇäæÇÌå Ùæ Ðäã".<o:p></o:p></span></p>
+
+<p class=MsoNormal><o:p> </o:p></p>
+
+</div>
+
+</body>
+
+</html>
