APL Under-bar Characters

[Neil Harris]

On 17/08/15 17:23, Doug Ewell wrote:
>
> In that case, despite the text in Section 22.7 that Ken quoted, it seems
> that U+0331 COMBINING MACRON might be a better choice for APL
> "underlined letters" than U+0332 COMBINING LOW LINE. Compare A̱ḆC̱
> with A̲B̲C̲, noting that your font and rendering engine mileage may
> vary.
>
> "Voting again" to change one of the basic rules of Unicode, on the basis
> that "perhaps feelings about the under-bar characters have changed since
> then," is not expected to be an option, as David said.
>

Doug is right. One small correction: U+0331 is COMBINING MACRON BELOW, 
not COMBINING MACRON.

Wikipedia has an excellent article on this topic:

https://en.wikipedia.org/wiki/Macron_below

-- Neil