How to: Sub-pixel imperfections around powerline symbols
![Powerline Prompt Imperfections](
  https://raw.githubusercontent.com/romkatv/powerlevel10k-media/master/powerline-imperfections.png)

There are three imperfections on the screenshot. From left to right:

1. A thin blue line (a sub-pixel gap) between the content of a prompt segment and the following
powerline connection.
1. Incorrect alignment of a powerline connection and the following prompt segment. The connection
appears shifted to the right.
1. A thin red line below a powerline connection. The connection appears shifted up.

Zsh themes don't have down-to-pixel control over the terminal content. Everything you see on the
screen is made of monospace characters. A white powerline prompt segment is made of text on white
background followed by U+E0B0 (a right-pointing triangle).

![Powerline Prompt Imperfections](
  https://raw.githubusercontent.com/romkatv/powerlevel10k-media/master/powerline-anatomy.png)

If Powerlevel10k prompt has imperfections around powerline symbols, you'll see exactly the same
imperfections with all powerline themes (Agnoster, Powerlevel9k, Powerline, etc.)

There are several things you can try to deal with these imperfections:

- Try [the recommended font](#meslo-nerd-font-patched-for-powerlevel10k). If you are already using
  it, switching to another font may help but is unlikely.
- Change terminal font size one point up or down. For example, in iTerm2 powerline prompt looks
  perfect at font sizes 11 and 13 but breaks down at 12.
- Enable builtin powerline glyphs in terminal settings if your terminal supports it (iTerm2 does).
- Change font hinting and/or anti-aliasing mode in the terminal settings.
- Shift all text one pixel up/down/left/right if your terminal has an option to do so.
- Try a different terminal.

A more radical solution is to switch to prompt style without background. Type `p10k configure` and
select *Lean*. This style has a modern lightweight look. As a bonus, it doesn't suffer from
rendering imperfections that afflict powerline-style prompt.