# ⃦ U+20E6 COMBINING DOUBLE VERTICAL STROKE OVERLAY

- = z notation finite function diacritic
- → [U+2016 ‖ DOUBLE VERTICAL LINE](/unicode/U+2016.md)
- → [U+21FB ⇻ RIGHTWARDS ARROW WITH DOUBLE VERTICAL STROKE](/unicode/U+21FB.md)
- → [U+2901 ⤁ RIGHTWARDS TWO-HEADED ARROW WITH DOUBLE VERTICAL STROKE](/unicode/U+2901.md)
- → [U+2915 ⤕ RIGHTWARDS ARROW WITH TAIL WITH DOUBLE VERTICAL STROKE](/unicode/U+2915.md)