\title{No Title\thanks{This is just a dummy sentence. This is just a dummy sentence.}}
\author{No Name\thanks{This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence.]}}
\date{No Date}
\begin{document}
\maketitle
\begin{abstract}
This is just a dummy sentence.\footnote{This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence.}
\end{abstract}
\clearpage
저는 각주에 doublespacing을 적용하고 싶지 않아 이 해결책으로도 충분합니다.
다만 다른 문제가 있는데, lipsum 패키지를 사용하지 않고 문장을 thanks에 직접 입력했을 때,
각주 간 간격이 망가지는 것처럼 보이고, 또 footnote에는 doublespacing이 적용되지 않는 문제도 있습니다.
아래는 간단한 예제 코드입니다.
\documentclass{article}
\usepackage{hyperref}
\usepackage[margin=1in]{geometry}
\usepackage[doublespacing]{setspace}
\title{No Title\thanks{This is just a dummy sentence. This is just a dummy sentence.}}
\author{No Name\thanks{This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence.]}}
\date{No Date}
\begin{document}
\maketitle
\begin{abstract}
This is just a dummy sentence.\footnote{This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence. This is just a dummy sentence.}
\end{abstract}
\clearpage
\end{document}