Why Play escapes many characters?
Because Play uses
org.apache.commons.lang.StringEscapeUtils.escapeHtml
.
I think it should be replaced with Commons Lang 3.x.
% sbt Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF8 [info] Set current project to default-7cb4b4 (in build file:/Users/kzys/hello/) > console [info] Starting scala interpreter... [info] Welcome to Scala version 2.9.1.final (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_29). Type in expressions to have them evaluated. Type :help for more information. scala> org.apache.commons.lang.StringEscapeUtils.escapeHtml("\u3041") res0: java.lang.String = ぁ scala> org.apache.commons.lang3.StringEscapeUtils.escapeHtml4("\u3041") res1: java.lang.String = ぁ scala>
Play already has a pull request to upgrade Commons Lang.