encoding/xml: UTF-8 detection is case sensitive

gchar...@tea-ebook.com

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Aug 31, 2015, 10:59:39 AM8/31/15

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Hello,

I encountered an issue while parsing some third party XML files, which declare the encoding "Utf-8". This encoding is not recognized by the encoding/xml library.

The fact is that the standard library is looking for either "", "utf-8" or "UTF-8" (here is the code).

Would you say it is a bug? Should not this test be case insensitive (since it already accepts both upper and down case strings)?

Indeed, this XML specification explains that "XML processors should match character encoding names in a case-insensitive way". I understand that "should" does not make this mandatory but would not it be better?

Thanks,

Guillaume.