const golang.org/x/text/unicode/bidi.ET

9 uses

	golang.org/x/text/unicode/bidi (current package)
		core.go#L489: 	s.assertOnly(L, R, AL, EN, ES, ET, AN, CS, B, S, WS, ON, NSM, LRI, RLI, FSI, PDI)
		core.go#L555: 		if t == ET {
		core.go#L558: 			runEnd := s.findRunLimit(runStart, ET)
		core.go#L581: 		if t.in(ES, ET, CS) {
		trieval.go#L13: 	ET                   // EuropeanTerminator

	golang.org/x/text/secure/bidirule
		bidirule.go#L81: 		{ruleRTL, 1<<bidi.ES | 1<<bidi.CS | 1<<bidi.ET | 1<<bidi.ON | 1<<bidi.BN | 1<<bidi.NSM},
		bidirule.go#L92: 		{ruleRTL, 1<<bidi.ES | 1<<bidi.CS | 1<<bidi.ET | 1<<bidi.ON | 1<<bidi.BN},
		bidirule.go#L103: 		{ruleLTR, 1<<bidi.ES | 1<<bidi.CS | 1<<bidi.ET | 1<<bidi.ON | 1<<bidi.BN | 1<<bidi.NSM},
		bidirule.go#L114: 		{ruleLTR, 1<<bidi.ES | 1<<bidi.CS | 1<<bidi.ET | 1<<bidi.ON | 1<<bidi.BN},

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)