Weird unicode characters rendering outside of line-height

[yandrey]

because of the font chosen, it is quite easy to mess up a chat in Converse using symbols like (at least on quite some OS and browsers):

y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆
y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆
 
s̷̛͕̗̙͕̎̓͑̂͗̾̾͠ḍ̸̿̍̉͌ͅf̷̨̤͇͉̥̝̭͍͓̺͕̰͉̊͐̆̆s̷͕̯̤̼̭̪͇̎̆̿̔̉͂̓͒̇͗̃̕͠͠͠ḑ̸̡̛͇̣̖̮̯͈̺̩̣͇̩̋̃͐̂̏͋́̒f̴̰̺̿͑ḏ̴̹̯͙͚͈̜̻̌̊̿̈́̽̉̽̉̈͐͐͛͑̚s̵̰̝̼̳͊̔͒͆͑̔͐͌̿͋͛̒̽̔f̴̡̪͙̦̰̰̙̹̭̗̗͑͝ś̷͓̘͇͍̄̈́̎d̶̨̢͖̩͖̯̳͉͚̗̲̘͚̒̏̅̔́̈́̈́̀͌͑̈́̿̇͝͠f̴̨̡̥̻̺̙͐͂͆͘ͅs̶͍̙̎͋́̈́̋͝d̴̨̨͓̫̼̱̪̻́f̴̨̡̛̠͇̹̼̫̻͖̞̘̖̲̻͐͊͛͌͑̃̃̇͆̉͌̕͘͜͝
 
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e.g.Android, Chrome (Samsung, latest firmware update):

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[ghost]

I feel like this font will mess up any web based application.

Which font is this?

[yandrey]

the Converse font-family is Helvetica, Arial, sans-serif for message content. This is the screenshot of the browser console (desktop, Chrome - the similar mess in the chat, a bit different - depends on device but anyway ugly):

Here in this concreted GitHub page, the above letters (which I copied/pasted in the issue description) looks quite OK, and the font-family: ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,Liberation Mono,monospace; is used

[jcbrand]

test y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆ test test y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆y̰̰̰̰̰̰̰̰̰̰̰̰̰̰̰̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆̆

s̷̛͕̗̙͕̎̓͑̂͗̾̾͠ḍ̸̿̍̉͌ͅf̷̨̤͇͉̥̝̭͍͓̺͕̰͉̊͐̆̆s̷͕̯̤̼̭̪͇̎̆̿̔̉͂̓͒̇͗̃̕͠͠͠ḑ̸̡̛͇̣̖̮̯͈̺̩̣͇̩̋̃͐̂̏͋́̒f̴̰̺̿͑ḏ̴̹̯͙͚͈̜̻̌̊̿̈́̽̉̽̉̈͐͐͛͑̚s̵̰̝̼̳͊̔͒͆͑̔͐͌̿͋͛̒̽̔f̴̡̪͙̦̰̰̙̹̭̗̗͑͝ś̷͓̘͇͍̄̈́̎d̶̨̢͖̩͖̯̳͉͚̗̲̘͚̒̏̅̔́̈́̈́̀͌͑̈́̿̇͝͠f̴̨̡̥̻̺̙͐͂͆͘ͅs̶͍̙̎͋́̈́̋͝d̴̨̨͓̫̼̱̪̻́f̴̨̡̛̠͇̹̼̫̻͖̞̘̖̲̻͐͊͛͌͑̃̃̇͆̉͌̕͘͜͝

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[jcbrand]

I don't think this is a font issue. Someone pasted weird Unicode chars in the chat which they know often don't render properly.

Look above, they don't even render properly in Github (they go over the bounds of the issue comment).

[jcbrand]

I'm not saying there isn't a solution for this (although I don't know what that might be), but I don't think changing the font is the solution.

[jcbrand]

[yandrey]

ahh, you simply inserted into github, and it is another font family: yours is rendered with -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji" so this is font-family issue, just change it in browser console to ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,Liberation Mono,monospace; (i inserted as `....` -- this is the difference)

[yandrey]

Helvetica - again :slightly_smiling_face:

[yandrey]

see the difference for your insert here:

[jcbrand]

If using monospace font is the solution, then why doesn't the entire web use monospace?

[yandrey]

i guess when developers/authors write page content themselves it's ok, but in multiuser-chats with vandals :face_with_spiral_eyes: :face_with_spiral_eyes: :face_with_spiral_eyes:

[yandrey]

seems not all monospace fonts work. the same mess for several of them i tried from here https://www.w3.org/Style/Examples/007/fonts.en.html

[jcbrand]

Those characters don't serve any real purpose in any case except to cause grief, so one solution here is to just ban/kick the person from the chat and to delete the message.

[yandrey]

in most xmpp servers without DIY modules, moderators can't delete garbage messages.

[yandrey]

conversejs in particular is not telegram, moderation is a real pain

[yandrey]

in principle can be solved using custom css theme. anyway, no dark theme

[jcbrand]

Kicking/banning users from chats is part of XEP-0045 and all servers support that. What's not supported by all is deletion of messages by moderators. Seems like a reason to choose a server that does support it.

[yandrey]

kicking does nothing (just to re-enter), only ban. there is no possibility to remove other guy's message in Converse even if server support this. only possible to retract own message. retract must be shown for moderators on every message

[jcbrand]

there is no possibility to remove other guy's message in Converse

This is not true, Converse supports XEP-0425 which lets MUC moderators remove messages.

[yandrey]

ahh, indeed.

[kicken]

As seen in the original comment code block, Github prevents the the text from making too much of a mess via the overflow css property. That could be a possible solution to prevent such a message from messing up the chat too much.

[yandrey]

not sure if i put in proper location :slightly_smiling_face: , but looks good:

[jcbrand]

Should now be fixed after this commit: https://github.com/conversejs/converse.js/commit/983d5ea09c80092f0f49db1c9c31ab7b14949a30