delete graphene counting wrong 👩‍🚒

[shaozi]

What Operating System(s) are you seeing this problem on?

macOS

Which Wayland compositor or X11 Window manager(s) are you using?

No response

WezTerm version

20241015-083151-9ddca7bd

Did you try the latest nightly build to see if the issue is better (or worse!) than your current version?

Yes, and I updated the version box above to show the version of the nightly that I tried

Describe the bug

paste a graphene 👩‍🚒 into the terminal. Then use Delete button to delete it. It is deleted, but wezterm still think there are characters before it. it will continue delete 2 more letters to the left.

To Reproduce

1. launch wezterm
2. bash
3. copy and paste this graphene 👩‍🚒 to the terminal
4. press Delete key multiple times

Configuration

local wezterm = require("wezterm")

local config = wezterm.config_builder()

-- config.color_scheme = "Tango Adapted"
config.font_size = 16
config.hide_tab_bar_if_only_one_tab = true
config.window_padding = {
left = "4pt",
right = "2pt",
top = "4pt",
bottom = 0,
}
config.enable_scroll_bar = false
config.keys = {
-- This will create a new split and run your default program inside it
{
key = "d",
mods = "SUPER",
action = wezterm.action.SplitHorizontal({ domain = "CurrentPaneDomain" }),
},
{
key = "D",
mods = "SUPER",
action = wezterm.action.SplitVertical({ domain = "CurrentPaneDomain" }),
},
}
return config

Expected Behavior

it should delete the graphene and stop.

Logs

No response

Anything else?

No response