---
title: "gggibbous: Moon charts, a pie chart alternative for two groups"
author: "Michael Bramson"
date: "December 23, 2020"
output: rmarkdown::html_vignette
vignette: >
  %\VignetteIndexEntry{gggibbous}
  %\VignetteEngine{knitr::rmarkdown}
  %\VignetteEncoding{UTF-8}
---

<style>
img {
  border: none;
  display: block;
  margin-left: auto;
  margin-right: auto;
}
</style>

```{r, include = FALSE}
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>")

required <- c("maps", "mapproj", "knitr")
if (!all(sapply(required, requireNamespace, quietly = TRUE))) {
  knitr::opts_chunk$set(eval = FALSE)
}
```

```{r, child = 'gggibbous-content.txt'}
```