func processNgram(ngram string) string {
	// not necessary, it seems:
	// result := replaceGoogleNgramKeywords(text)
	result := ngram

	if !isAllLetters(result) {
		result = ""
	}
	return result
}
// processNgram processes one ngram and either adjusts it for the final file
// or resets it to an empty string if it's not suitable for the final file
processNgram processes one ngram and either adjusts it for the final file
or resets it to an empty string if it's not suitable for the final file
// processNgram processes one ngram and either adjusts it for the final file // or resets it to an empty string if it ' s not suitable for the final file
func processNgram(ngram string) string {
	result := ngram
	if !isAllLetters(result) {
		result = ""
	}
	return result
}
func processNgram ( ngram string ) string { result := ngram if ! isAllLetters ( result ) { result = " " } return result }
processNgram processes one ngram and either adjusts it for the final file
or resets it to an empty string if it's not suitable for the final file
processNgram processes one ngram and either adjusts it for the final file or resets it to an empty string if it ' s not suitable for the final file
// not necessary, it seems: // result := replaceGoogleNgramKeywords(text)