contract Foo { /* ©©©©ᄅ©©©©© 2017 */ constructor () { "©©©©ᄅ©©©©©" ; } function f() public pure { "S = π × r²"; /* ₀₁₂₃₄⁵⁶⁷⁸⁹ */ "∑ 1/n! ≈ 2.7"; // tabs in-between /* Ŀŏŗėɯ ïƥŝʉɱ */ "μὴ χεῖρον βέλτιστον"; // tabs in-between and inside } function selector() public returns(uint) { // starts with tab return 0; } }