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package viminput
import "unicode"
func IsKeyword(r rune) bool {
alphaLower := 'a' <= r && r <= 'z'
alphaUpper := 'A' <= r && r <= 'Z'
numeric := '0' <= r && r <= '9'
return alphaLower || alphaUpper || numeric || r == '_'
}
func IsGrouped(r1, r2 rune) bool {
if IsKeyword(r1) {
return IsKeyword(r2)
}
if unicode.IsSpace(r1) {
return unicode.IsSpace(r2)
}
return !IsKeyword(r2) && !unicode.IsSpace(r2)
}
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