Obvious jaggies

[glepnir]

Describe the bug
symbol had an obvious jaggies.

To Reproduce
Steps to reproduce the behavior:

1. open vim with my plugin spaceline.vim

Expected behavior
same behavior as iterm2

Screenshots

Environment details
OS: Name and version of operating system(s)

kitty 0.18.1 created by Kovid Goyal
Darwin stephendeiMac.local 19.5.0 Darwin Kernel Version 19.5.0: Tue May 26 20:41:44 PDT 2020; root:xnu-6153.121.2~2/RELEASE_X86_64 x86_64
ProductName:	Mac OS X ProductVersion:	10.15.5 BuildVersion:	19F101Loaded config files: /Users/stephen/.config/kitty/kitty.confConfig options different from defaults:
active_border_color                Color(red=172, green=188, blue=222)
adjust_column_width                -1
background                         Color(red=27, green=43, blue=52)
bold_font                          Operator Mono Lig Mediumbold_italic_font                   Operator Mono Lig Medium Italic
close_on_child_death               True
color0                             Color(red=40, green=44, blue=52)color1                             Color(red=224, green=108, blue=117)
color10                            Color(red=86, green=182, blue=194)
color11                            Color(red=229, green=192, blue=123)color12                            Color(red=97, green=175, blue=239)
color13                            Color(red=190, green=80, blue=70)
color14                            Color(red=86, green=182, blue=194)
color15                            Color(red=171, green=178, blue=191)
color2                             Color(red=152, green=195, blue=121)
color3                             Color(red=229, green=192, blue=123)
color4                             Color(red=97, green=175, blue=239)
color5                             Color(red=190, green=80, blue=70)
color6                             Color(red=86, green=182, blue=194)
color7                             Color(red=151, green=158, blue=171)
color8                             Color(red=57, green=62, blue=72)
color9                             Color(red=209, green=154, blue=102)
copy_on_select                     clipboard
cursor                             Color(red=124, green=172, blue=74)
cursor_blink_interval              0.0disable_ligatures                  2font_family                        Operator Mono Lig Bookfont_size                          17.0
foreground                         Color(red=151, green=158, blue=171)
hide_window_decorations            2
inactive_border_color              Color(red=188, green=172, blue=222)
inactive_text_alpha                0.8italic_font                        Operator Mono Lig Book Italic
macos_quit_when_last_window_closed True
macos_titlebar_color               673720322scrollback_lines                   10000
selection_background               Color(red=151, green=158, blue=171)
selection_foreground               Color(red=40, green=44, blue=52)
tab_bar_style                      hidden
tab_title_template                 {name}
Added shortcuts:
	shift+control+slash KeyAction(func='create_marker', args=())
	shift+control+backslash KeyAction(func='remove_marker', args=())
Changed shortcuts:
	shift+control+left_bracket KeyAction(func='scroll_to_mark', args=[True, 0])
	shift+control+right_bracket KeyAction(func='scroll_to_mark', args=[False, 0])
	super+t KeyAction(func='new_tab_with_cwd', args=())

Additional context
reproduce with kitty --config NONE

[kovidgoyal]

Which character is that? U+e0b8?

[glepnir]

yes.