---
title: "image.Rmd"
output:
  pdf_document:
    keep_tex: true
    toc: true
---

```{r}
knitr::opts_chunk$set(dev='pdf')
```

newcommand{comment}[1]{}

listoffigures

```{r theplot,fig.show="hide"}
plot(rnorm(1000))
```

![label{thefig}This is the captioncomment{this is the comment}](image_files/figure-latex/theplot-1.pdf)

newcommand{comment}[1]{textit{#1}}