Subject: Feature request: fullwidth to halfwidth

From: Dan Jacobson <[email-masked]>
Date: Fri, 28 Jun 2024 17:06:55 +0800

M-l runs the command downcase-word.
That's great. But here's a feature request:
Have commands that can change wide to narrow,
with the same ease as M-l.
E.g., change ２０９Ｍ into 209M.
and another command to do the opposite.
OK, I guess they are called fullwidth and halfwidth.