can not show unicode in text editor

when i copy and paste unicode symbol ? (\ud835\udc13) to intellij idea text editor, it will show 

so how could i show this unicode symbol correctly, i tried IDEA 14 IDEA 15 IDEA 16 and change file encoding options, but still get the error.

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ok, but it's been five years... will it be fixed soon? @Dmitry

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We definitely plan to fix it. Cannot tell how soon that will happen.


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