It is still #EnigMarch and I am once again responding to a double-dare to create a puzzle. Here's something I'd like to use as a cryptic crossword clue gimmick, but I think traditionalists would throw rocks at me:
Light takes an equals sign to make high digit. (5)
Here's a ROT13'd explanation and answer: Vs lbh nqq gur gjb ubevmbagny fgebxrf bs na rdhnyf fvta gb gur Y va Yvtug, lbh trg na R, znxvat Rvtug.