This is about as niche as niche gets, but I’m always up for an obsessive investigation into some terminally obscure phenomenon, especially when it involves type, and I figure I’m not the only one, so I hereby present Jonathan Chan’s search for the origin and meaning of ⍼: 1. Apr. 2022 U+237C ⍼ RIGHT ANGLE WITH DOWNWARDS ZIGZAG ARROW (“Known as right angle with downwards zigzag arrow, angle with down zig-zag arrow, \rangledownzigzagarrow , and ⍼ , no one knows what ⍼ is meant to represent or where it originated from.”) 2. June 2023 update: U+237C ⍼ ⍼ (“Our glyph comes from Monotype under the matrix serial number S16139.”) 3. Jan. 2024 Monotype Mathematical Sorts (“And finally, here we have once again the 1972 list of mathematical characters, including series L231 containing ⍼, which is bound together with the original list rather than collected alongside as looseleaf.”) 4. Aug.…