\documentclass[11pt,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{amsmath, amssymb, amsthm, amsfonts}
\usepackage{geometry}
\usepackage{graphicx}
\usepackage[hypertexnames=false]{hyperref}
\usepackage{booktabs}
\usepackage{enumitem}
\usepackage{framed}
\usepackage{utfsym}
\usepackage[toc,page,title]{appendix}
\usepackage{tikz}
\usetikzlibrary{positioning}
\usepackage[numbers,sort,compress]{natbib}
\geometry{margin=1in}
\newtheorem{axiom}{Axiom}
\newtheorem{lemma}{Lemma}
\newtheorem{theorem}{Theorem}
\newtheorem{corollary}{Corollary}
\newtheorem{definition}{Definition}
\newtheorem{proposition}{Proposition}
\newtheorem{remark}{Remark}
\newcommand{\lP}{l_P}
\newcommand{\tP}{t_P}
\newcommand{\mP}{m_P}
\newcommand{\reholo}{\mathring{r}_e}
\newcommand{\lambdabar}{\bar{\lambda}}
\newcommand{\omZ}{\omega_Z}
\newcommand{\Phivac}{\Phi_{\text{vac}}}
\newcommand{\RH}{R_H}
\newcommand{\kholo}{k_{\text{holo}}}
\newcommand{\ag}{\alpha_g}
\title{...}
\author{...}
\date{\today}
\begin{document}
...
\end{document}
When I feed the following paper into LaTeX.js, I get the error:
expected \begin{document}(even though that command is present in the document). Is this supposed to work?