charset "GB-18030" need to change "GB18030"

djimenez/iconv-go#12

I try to read the source code。

func newRecognizer_8859_2(language string, ngram *[64]uint32) *recognizerSingleByte {
	return &recognizerSingleByte{
		charset:          "ISO-8859-2",
		hasC1ByteCharset: "windows-1250",
		language:         language,
		charMap:          &charMap_8859_2,
		ngram:            ngram,
	}
}

func newRecognizer_8859_2_cs() *recognizerSingleByte {
	return newRecognizer_8859_1("cs", &ngrams_8859_2_cs)
}
func newRecognizer_8859_2_hu() *recognizerSingleByte {
	return newRecognizer_8859_1("hu", &ngrams_8859_2_hu)
}
func newRecognizer_8859_2_pl() *recognizerSingleByte {
	return newRecognizer_8859_1("pl", &ngrams_8859_2_pl)
}
func newRecognizer_8859_2_ro() *recognizerSingleByte {
	return newRecognizer_8859_1("ro", &ngrams_8859_2_ro)
}

https://github.com/saintfish/chardet/blob/master/single_byte.go 315
According to the function naming rule，maybe

func newRecognizer_8859_2_cs() *recognizerSingleByte {
	return newRecognizer_8859_2("cs", &ngrams_8859_2_cs)
}

The README links to http://go.pkgdoc.org/github.com/saintfish/chardet, but it unfortunately seems that pkgdoc.org has been remade into a link farm, peddling links for products to rid dogs of fleas and humans of unwanted extra pounds. The documentation for this library and others sadly seems to have gone missing on that site.

A little sample of the computer-generated haiku I found when I visited:

Flexpet For Dogs In Maine,ME
proper enzymes to
digest it anyway.Feeding your pet
Just like you or I,
incredibly
playful since he once was. This
...

Can I call the same Detector's DetectBest method from different goroutine？

1. newRecognizer_8859_2_xx function should return newRecognizer_8859_2(xx) which uses ISO-8859-2 rather than newRecognizer_8859_1(xx) which uses ISO-8859-1.

2. As #2 and #3 says, GB18030 should be GB18030.

3. ISO-2022-XX charsets language should be ja, ko and cn