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https://issues.apache.org/jira/browse/LANG-728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13067501#comment-13067501
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Henri Yandell commented on LANG-728:
------------------------------------
I used the wrong translator :) Code should be:
{code:java}
CharSequenceTranslator escapeXml =
StringEscapeUtils.ESCAPE_XML.with(
NumericEntityEscaper.between(0x7f, Integer.MAX_VALUE) );
assertEquals("Supplementary character must be represented using a
single escape", "𣎴",
escapeXml.translate("\uD84C\uDFB4"));
{code}
ie) Ignore the 'note the' comment.
> StringEscapeUtils.escapeXml(str) does not support supplemental characters.
> --------------------------------------------------------------------------
>
> Key: LANG-728
> URL: https://issues.apache.org/jira/browse/LANG-728
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.*
> Affects Versions: 2.6
> Reporter: Taro Yabuki
> Priority: Minor
> Labels: patch
> Fix For: 3.0.1
>
> Attachments: lang_2_6_escapexml_20110716.diff
>
>
> Hello.
> StringEscapeUtils.escapeXml(str) escapes Unicode characters greater than 0x7f
> to their numerical \\u equivalent:
> String str = StringEscapeUtils.escapeXml("\uD84C\uDFB4");
> System.out.println(str);
> //��
> But, the output should be 𣎴.
> According to W3C document "Using character escapes in markup and CSS," We
> must use the single, code point value for supplemental character.
> http://www.w3.org/International/questions/qa-escapes
> In fact, �� is not rendered correctly in some web browsers
> e.g., Firefox 5.0 and Chrome 12.0.
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