Large files opened with syntect plugin enabled causes flood of useless update ops

[bvinc]

Xi-Editor Issue Template

• I have searched existing issues and could not find my issue.
• I have studied the documentation.

For example, I'm using this file as my large text file.
https://norvig.com/big.txt

When I open this file, which is recognized correctly as plain text, and is 128457 lines long, the xi backend floods the frontend with 12847 notifications that all look like the following:

{"method": "update", "params":{"update":{"annotations":[{"n":1,"payloads":null,"ranges":[[0,0,0,0]],"type":"selection"}],"ops":[{"ln":1,"n":128458,"op":"copy"}],"pristine":true},"view_id":"view-id-5"}}

The notification requests do not appear if the syntect plugin is not installed.

I would not expect the backend to flood the frontend with thousands of expensive "copy" notifications.

I assume this is probably the cause of #497.

[Cogitri]

Hey,

yeah, right now style updates are coupled with the text updates which is problematic. It'd be nice if style updates were split from text updates, so:

1. Not as much data to send via RPC
2. Frontends can prioritize getting text into the cache over style

BTW, since you're back now: I've forked gxi quite a while ago and made Tau out of it: https://gitlab.gnome.org/World/Tau

Maybe you want to check it out and we can collaborate :)