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https://issues.apache.org/jira/browse/LANG-729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Yandell updated LANG-729:
-------------------------------
Fix Version/s: 3.0.1
> StringEscapeUtils.unescapeXml(str) does not support supplemental characters.
> ----------------------------------------------------------------------------
>
> Key: LANG-729
> URL: https://issues.apache.org/jira/browse/LANG-729
> Project: Commons Lang
> Issue Type: Improvement
> Components: lang.*
> Affects Versions: 2.6
> Reporter: Taro Yabuki
> Priority: Trivial
> Labels: patch
> Fix For: 3.0.1
>
> Attachments: lang_2_6_unescapexml_20110716.diff
>
>
> StringEscapeUtils.unescapeXml(str) does not unescape numeric character
> references of supplemental characters:
> String str2 = StringEscapeUtils.unescapeXml("𣎴");
> System.out.println(str2.codePointAt(0));
> //38 (it means '&'.)
> This output should be 144308.
> Currently, StringEscapeUtils.unescapeXml(StringEscapeUtils.escapeXml(str)) is
> equal to str, so it doesn't seem to be wrong. But, as we reported in
> LANG-728, StringEscapeUtils.escapeXml(str) has a bug. When the bug is fixed,
> StringEscapeUtils.unescapeXml(StringEscapeUtils.escapeXml(str)) would not be
> equal to str. We do not expect it. (Of course, we don't expect that
> StringEscapeUtils.unescapeXml(StringEscapeUtils.escapeXml(str)) is always
> equal to str.)
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