support variable-width unicode characters

[kevinushey]

For example, with the string:

åååååå

If you copy and paste this into the Ace kitchen sink, you'll see that the cursor goes 'too far' beyond the text boundary.

I suspect this is because the characters above are each formed from two code points; a and the 'combining ring above' (http://graphemica.com/030A).

This text is fine:

åååååå

since this is just the plain old 'a with ring above' (http://graphemica.com/%C3%A5)

[kevinushey]

(Would https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/normalize help here?)

[nightwing]

Normalizing is probably undesirable, since other editors, and textarea do not do it, we will fix the support for variable width characters instead.

[kevinushey]

That would indeed be better :-)

[kevinushey]

It seems like this is also necessary to support Hindi, if I understand correctly. For example, if I copy this text into the kitchen sink:

मोहनदास करमचन्द गांधी

I see:

(although perhaps supporting this means supporting non-monospace fonts / text in general, which I imagine is very difficult)

[rajivmreddy]

Is this a feature that is actively being worked on? I am also running into the same issue for Hindi. Are there any known workarounds that fix this issue?

[Cobr3n]

Hello do u known resolution this issue ? @kevinushey

[github-actions]

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[andrewnester]

Closing as duplicate of this issue #460