My LaTeX template files

my-template.tex

%!TEX program = pdflatex
% -*- coding: utf-8 -*-

\documentclass[a4paper]{article}

% ko.TeX
\PassOptionsToPackage{no-math}{fontspec}
\usepackage{kotex}

\usepackage{iftex}
\ifPDFTeX
  \usepackage{dhucs-nanumfont}
\else\ifXeTeX
  \usepackage{xltxtra}
  \defaultfontfeatures{Mapping=tex-text}
  \setmainhangulfont[BoldFont=나눔명조 Bold]{나눔명조}
  \setsanshangulfont[BoldFont=나눔바른고딕 Bold]{나눔바른고딕}
\else\ifLuaTeX
  \defaultfontfeatures{Mapping=tex-text}
  % \setmainhangulfont[BoldFont=NanumMyeongju Bold]{NanumMyeongju}
  % \setsanshangulfont[BoldFont=NanumBarunGothic Bold]{NanumBarunGothic}
\fi\fi\fi


% packages ====================================================================
% basic packages
\usepackage{amsmath,amsthm,amssymb,latexsym,mathtools}
\usepackage{graphicx} % include figures
  \usepackage{subfig}
  \graphicspath{{figures/}{anotherdir/}}
  \makeatletter
  \def\input@path{{figures/}} % for `\input`
  \makeatother
\usepackage[usenames,dvipsnames]{xcolor} % color text, color names

% better formatting
\usepackage{natbib}
\usepackage{relsize} % for relative font size, \smaller and \larger
\usepackage{mleftright}
  \mleftright
\usepackage{siunitx} % for SI units. \si, \SI, \SIrange, \num
\usepackage{booktabs} % publication quality tables
\usepackage{dcolumn} % alignment of numbers in table

% tikz
\usepackage{tikz}
  \usepackage{pgfplots}
  \usetikzlibrary{arrows.meta,bending,external,positioning,shapes}
  \pgfplotsset{compat=1.10}
  % \tikzexternalize
  % \tikzsetexternalprefix{figures/}

% sundries
\usepackage{textgreek}

% `hyperref` -> `hypcap` -> `cleveref` packages must be called at the end.
\usepackage{hyperref}
\usepackage[all]{hypcap}
  \hypersetup{%
    bookmarksnumbered=true,% add section numbers to bookmarks
    colorlinks=true,%
    citecolor=red,%
    urlcolor=blue,%
    %
    unicode=true,% for ko.TeX, pdf bookmark
    % PDF document options
    pdftitle={PDF Title},%
    pdfauthor={PDF Author},%
    pdfsubject={PDF Subject},%
    pdfkeywords={keyword1,keyword2,keyword3},%
  }
  % for pdf bookmark when using ko.TeX
  \pdfstringdefDisableCommands{\def\XeTeX{XeTeX}\def\XeLaTeX{XeLaTeX}}%
\usepackage{cleveref} % `cleveref` must be called after `hyperref`
  \newcommand{\crefrangeconjunction}{--}
  \crefname{equation}{equation}{equations}
  \Crefname{equation}{Equation}{Equations}


% macros ======================================================================
% utility packages for macros
\usepackage{xifthen}
\usepackage{suffix} % for \WithSuffix, define command with * option

% upright fonts
\newcommand*{\ud}{\mathrm{d}} % upright d: differential operator
\newcommand*{\dd}{\;\mathrm{d}} % upright d: integration operator
\newcommand*{\ue}{\mathrm{e}} % upright e: base of the natural logarithms
\newcommand*{\ui}{\mathrm{i}} % upright i: imaginary unit

% paired operators
\newcommand*{\zerodel}{.\kern-\nulldelimiterspace}
\DeclarePairedDelimiter{\verts}{\lvert}{\rvert}
  \newcommand*{\vertsr}[1]{{#1\rvert}}
  \WithSuffix{\newcommand*}\vertsr*[1]{{\left\zerodel#1\right\rvert}}
\DeclarePairedDelimiter{\parens}{(}{)}
\DeclarePairedDelimiter{\braces}{\lbrace}{\rbrace}
\DeclarePairedDelimiter{\brackets}{[}{]}
\DeclarePairedDelimiter{\angles}{\langle}{\rangle}
\DeclarePairedDelimiterX{\conditional}[2]{(}{)}%
  {#1\mathrel{}\mathclose{}\delimsize\vert\mathopen{}\mathrel{}#2}

\newcommand*{\abs}{\verts}
\newcommand*{\vecnorm}{\verts}

% operators
\newcommand*{\diff}[3][]{\ifthenelse{\isempty{#1}}%
  {\frac{\ud #2}{\ud #3}}% if #1 (exponent) is empty
  {\frac{\ud^{#1} #2}{\ud #3^{#1}}}%
}
\newcommand*{\idiff}[3][]{\ifthenelse{\isempty{#1}}%
  {\ud #2 / \ud #3}%
  {\ud^{#1} #2 / \ud #3^{#1}}%
}
\newcommand*{\pdiff}[3][]{\ifthenelse{\isempty{#1}}%
  {\frac{\partial #2}{\partial #3}}%
  {\frac{\partial^{#1} #2}{\partial #3^{#1}}}%
}
\newcommand*{\ipdiff}[3][]{\ifthenelse{\isempty{#1}}%
  {\partial #2 / \partial #3}%
  {\partial^{#1} #2 / \partial #3^{#1}}%
}

% bold type vector and very widely used vector variables
\newcommand*{\vect}[1]{\mathbf{#1}}
\newcommand*{\vzero}{\vect{0}}
\newcommand*{\vi}{\vect{i}}
\newcommand*{\vj}{\vect{j}}
\newcommand*{\vk}{\vect{k}}
\newcommand*{\vn}{\vect{n}}

% function names
\DeclareMathOperator{\sech}{sech}
\DeclareMathOperator{\proj}{proj}

% symbols
\newcommand*{\bbN}{\mathbb{N}}
\newcommand*{\bbZ}{\mathbb{Z}}
\newcommand*{\bbR}{\mathbb{R}}
\newcommand*{\bbC}{\mathbb{C}}


% for debug ===================================================================
\usepackage[margin=1in]{geometry}
\usepackage{refcheck} % must be called after [ams*] and [hyperref]
\usepackage{float} % "H" option for figures
\newcommand{\todo}[2][TODO]{\textcolor{Magenta}{\textsf{(#1: #2)}}}
\newcommand*{\citationneeded}[1][\footnotesize{citation needed}]%
  {[\textcolor{Red}{#1}]}
% =============================================================================


\begin{document}

\title{My \LaTeX{} Template}
\author{Author}
\date{\today}
\maketitle


\section{현재 문제점}

\begin{itemize}
  \item \verb+\dotemph+를 사용하면 한글 단어 검색이 안됨.
  (한글 코드 문제가 아니라, 글자별로 잘림)
  \item pdf\TeX으로 컴파일할 때 \verb+\dotemph+를 쓰면 warning이 뜸.
\end{itemize}


\section{Lorem ipsum 한글 제목}

``Lorem'' ipsum-dolor--sit---amet, 한글 consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
가나다라\textsf{마바사}아자차카타파하.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.


\section{Test}
\todo{todo}, \todo[FIXME]{fixme}, \todo[DELETEME]{deleteme}

Test for \verb+\zerodel+:
\begin{table}[htp]
  \centering
  \begin{tabular}{ll}
  \toprule
  \verb+a =               b+
  & $a = b \rvert$
  \\
  \verb+a = \left.        b \right\rvert+
  & $a = \left. b \right\rvert$
  \\
  \verb+a = \left\zerodel b \right\rvert+
  & $a = \left\zerodel b \right\rvert$
  \\ \bottomrule
  \end{tabular}
  \caption{}
\end{table}

\begin{align*}
  % \text{\verb+a aa+} && a &= \left. b \right) \\
   \\
  a &= b
\end{align*}



\end{document}