# broken bar (¦) : vertical bar (|) U+00A6 U+007C # inv. ? (¿) : ? U+00BF U+003F # inv. ! (¡) : ! U+00A1 U+0021 # diaeresis (¨) : " U+00A8 U+0022 # acute (´) : ' U+00B4 U+0027 # copyright (©) : C U+00A9 U+0043 # registered (®) : R U+00AE U+0052 # superscript 1 (¹) : 1 U+00B9 U+0031 # superscript 2 (²) : 2 U+00B2 U+0032 # superscript 3 (³) : 3 U+00B3 U+0033