Proposing new arrow characters with Bidi_Mirrored=Yes

[Asmus Freytag]

On 4/8/2025 10:56 AM, NeatNit via Unicode wrote:
> Obviously I don't expect developers to suddenly know to switch to the mirroring arrows overnight, if they are added. But I would love to be able to tell them "all you have to do to fix it is replace this character with that one".

How about telling them that changing the visual direction of any arrow 
is a no-no(*) and if you transform text, you need to ensure that it 
stays as intended?

Unless you happen to know what logical direction (e.g. source ---> 
output) an arrow has, so you can swap it when you reorder the terms.

Math or chemistry would be contexts where arrows have logical 
directions, but you can't retroactively switch to new characters, 
because then you'd mess up any search and comparison.

And you'd never be sure that someone used the "correct" arrow for the 
purpose, leaving you no better off than before.

A./
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